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When picking information.those factors should be taken into consideration.(1)The kinds of rock and its distribution,(2)Geomorphy and slope class,(3)The landcover calss and grading,(4)The landuse class,(5)The townand city distribution and population density,(6)Hydrologic condition and rainfall.

信息采集时必须考虑的主导因子有:(1)岩石类型及空间分布;(2)地貌类型及坡度等级;(3)植被覆盖类型及等级;(4)土地利用类型;(5)区域城镇分布及人口密度;(6)水文条件、降雨量。

Based on geomorphy and anthropo-factor that influence land use structure, D and S of 8 types is analyzed, and the result indicate that:(1) the complicated geomorphy is uppermost factor that influence fractal dimension of land use type;(2) the social economical level influence D and S of land use structure in a certain extent;(3) the average fractal dimension values and average stability indexes are integrative reflection of the land use structure of each region.

结果表明:(1)复杂的地貌类型是影响土地利用类型D 值和S值的最主要因素;(2)社会经济发展水平一定程度上影响土地利用类型的分维值和稳定性指数;(3)区域土地利用类型的平均分维值、稳定性指数的大小是土地利用结构的综合反映。

First it put forward them in three culture types: one is the culture type taking large-stone as main; another is the culture type taking small-stone as main; the other is the culture type taking on microlithic specific marks.

重点整理研究了14处重要遗存,首次将区内旧石器遗存分为三种文化类型,即以大石器为主的类型和以小石器为主的类型及具细石器特征的文化类型

In filicophytes, there was a relatively high ratio of VA mycotrophy in the eusporangiates, and there was no autotrophic in the eusporangiates; but the ratio of autotrophic was up to 71%, and the ratioes of VA mycotrophic and facultative mycotrophic were low, 15% and 14% respectively in the leptosporangiates.

用碱解离、酸性品红染色法对云南热带、亚热带自然生长和部分移栽到温室中的256种(拟蕨类植物20种,真蕨类植物236种)蕨类植物孢子体的VA菌根状况进行了调查研究,结果发现,在拟蕨类植物中,孢子体只存在兼性VA菌根营养和自养两种菌根营养类型,两种类型,两种类型所占的比例相当;在真蕨类植物中,厚囊蕨类植物VA菌根营养的比例较高(92%),且无自养类型;而在薄囊蕨类植物中,自养型占71%,VA菌根营养和兼性菌根营养所占的比例都不高,分别是15%和14%。

Based on some principal rules of brittle rocks polyaxial tests and previous researches, three controlling failure types for brittle rock are obtained. The first type represents the brittle failure controlled by extension microcrack under the condition of lower hydrostatic pressure; the second represents the ductile failure controlled by friction sliding action under the condition of higher hydrostatic pressure when microcrack is close; and the third represents brittle-ductile failure type controlled by multiple factors mentioned above under the condition of high hydrostatic pressure when some microcracks are open and others are close.

通过分析脆性岩石多轴试验中的强度和破坏规律,在已有研究成果基础上,将其强度和破坏控制类型主要归结为3种:类型1,低静水压力时裂缝张开扩展,主要表现为张性微裂缝控制型脆性破坏;类型2,静水压力很高时,裂缝闭合,主要表现为摩擦滑移控制型延性破坏;类型3,处于两者之间时,微裂缝一部分张开,一部分闭合,主要表现为两者复合控制型脆延破坏。

The change of landuse patterns in 1977-1998 shows indirectly the desertified land had been restored and is being restored. The relationship between landuse patterns and soil types was also analysed in this paper, from 1977 to 1998, the areas of rangeland and mobile sand dunes decreased in most soil types and the areas of woodland, shrubland and farmland increased, which means that the modification of landuse patterns due to limitation of soil types will be helpful to desertification control.

同时土地利用格局的时空变化与土壤类型间关系的分析表明,1977-1998的20余年间,在四种主要土壤类型上各种土地利用类型的变化具有一定的规律性,草牧场和流动沙地的面积基本上呈减小的趋势(分布在风沙土上的草牧场面积除外),而乔木林地,灌木林地和农地面积均为增加的趋势,这说明在土壤类型这一土地自然属性的严重制约下,人们被迫调整其土地利用格局,从而有效地遏制了荒漠化的发生和发展。

Presents the microstructure evolution in aluminum a nd copper after deformation by cold rolling in the strain range of 10 to 50%red uction using TEM and points out three types of dislocation structures are typica l and two of them are common for both materials and these two common types are f ound in non-cube grains and can be distinguished by crystallographic orientatio n of dislocation boundaries in the grains and the third type of structure is obs erved in cube grains, and concludes that grain orientation is important in deter mining the structure type but some other metallurgical parameters also have a ro le to play.

采用TEM对冷轧多晶铜与多晶铝的形变显微组织演变进行了对比研究。结果发现:多晶铜及多晶铝形变显微组织中均含有三类典型的位错结构类型,其中的两种结构特征在两种材料中是相似的,这两种类型结构存在于非立方取向晶粒,可通过晶粒中位错边界的晶体学取向加以区别,另一类型结构存在于立方取向晶粒;晶粒的晶体学取向决定了其形变显微组织类型,但其它冶金学因素对显微组织也有影响。

The geology research of carbonate reservoirs in Ordovician of Tahe oilfield showed that many large dissolved vugs and fractures were developed. The spread of the reservoir take on a very heterogeneous state. And the typical fractured-vuggy reservoirs was formed. According to the combination of the various spaces, the formation was divided into vuggy formation, fractured-vuggy formation and fractured formation. The research showed that development of the vug is relevant to the its position on the structure, the fractures, the water surface and the weathering surface. Multi-phase charge and recharge of the oil in the reservoirs resulted in the complexity of the fluid distribution. So the"Bottle Model"was brought forward to explain the movement of the water-oil contact. The special storage space and the complex fluid distribution lead to the unstability of the production and the complexity of the water cut. In order to explain the characteristic of the fracture-vug unit was brought forward and the basic principle and method of the partition of the fracture-vug unit was formed. The classification and evaluation of the units were performed according the reserve and energy. Based on the research of geology characteristic and the fluid flow in the reservoir the comprehensive numerical simulation plan of the fractured-vuggy reservoirs were established. Through the selection of the simulation unit, fluid flow type and parameter equivalent the triple media reservoir simulation model was established. Considering the practical application the model was resolved by the DKR decomposition conjugate grads method. Based on the fine reservoir description of Dsitrict IV of the Tahe oilfield the various space type were classified and combined together. The geology model of Unit S48 was constructed. Two typical single well model was established according to the geology and the dynamic phenomena. Finally the single well model and the Unit S48 were simulated by the triple media reservoir simulator. Via the local grid refinement and coarsening in the simulation good matchs were gained. Based on the results of the simulation the reserve distribution, percent of reserve produced in various space and the natural energy were analyzed. The fluid was storaged in the fractures and vugs mostly and more than 90% the produced oil came from the systems. The energy belonged to the active one. The results of simulation accorded with the fact and showed the validity and practicability the research and the simulator.

塔河油田奥陶系碳酸盐岩油藏的地质研究表明,其储层中发育着很多大型的溶蚀洞、缝,储层的平面展布呈现出极度的非均质性,形成了典型的缝洞型碳酸盐岩油藏,根据各种孔隙介质在储层中的组合,将储层分为了溶洞型、裂缝-溶洞型和裂缝型三类;研究表明溶洞储层的发育和构造位置、裂缝的发育、潜水面和风化面的位置等因素有关;多期充注的油气成藏模式导致了流体复杂的赋存状态,由此提出了所谓的&瓶子模型&,解释生产过程中油水界面的变化;特殊的储集空间类型和流体分布特征导致油田在开发过程中表现出很大的不确定性和含水变化的复杂性,为了合理的解释油气田开发过程中的动态特征,提出了&缝洞单元&的概念,并制定了&缝洞单元&纵横向划分的基本原则和依据及划分方法,并对&缝洞单元&进行了分类和评价;基于地质特征和流体在其中流动规律的研究,提出了缝洞型碳酸盐岩油藏的数值模拟综合解决方案,通过模拟单元的选择、流动类型和参数的等效,建立了三重介质油藏三维三相数值模拟模型,采用不完全LU分解预处理共轭梯度法进行了求解;在塔河油田4区精细油藏描述的基础上,将各种类型的孔隙空间进行了归类组合,建立了S48单元的地质模型;通过对油井生产动态进行分析研究,建立了两类和油井地质、生产动态相对应的单井模型;最后应用三重介质油藏数值模拟软件对单井模型和S48单元进行了数值模拟,通过局部加密和粗化等技术模拟流体流动规律,取得了很好的拟合效果;结合数值模拟结果,分析了各种介质中的储量分布、储量产出的百分比以及地层的能量,认为塔河油田缝洞型油藏中流体绝大多数储集于缝洞系统之中,所产出流体90%以上也来自于缝洞系统,其底水能量属于较充足的类型;模拟结果和油田实际情况符合较好,说明了地质研究和油藏数值模拟研究的正确性。

The land use pattern had changed by a relatively large margin in Neijiang city from 1997 to 2005. The main tendency of this change is that with remarkable reduction of cultivated land that decreased by 9936.11hm~2, unutilized land and water area, while garden land, forest land that increased by 7032.23 hm~2, grass land and building land increased notably. And during the research time, the speed of land use type change reduced from garden land, traffic land, forest land, residential areas and industrial and minings land, cultivated land, unutilized land to water area. The main trend of general dynamic degree changed from progressive increase to degression. From the analyses of land use diversion matrix, we know resulting in the quantity change of land use was that cultivated land being occupied by construction,adjustment in structure of agriculture and the implementation of the national reforesting formerly cultivated land policy in Neijiang city.

结果表明:1997~2005年间,土地利用类型发生较大幅度变化,总体上呈现耕地、未利用地、水域面积显著减小和园地、林地、牧草地、建设用地面积增大的趋势,其中耕地面积减幅最大,达9936.11hm~2,林地增幅最大,达7032.23 hm~2;土地利用类型变化速度依次为园地>交通用地>林地>耕地>居民点及工矿用地>未利用地>水域,其中园地为2.67%,水域为-0.01%,综合土地利用动态度呈现先递增后递减的趋势;从土地利用类型转移矩阵分析得出,建设用地占用耕地、农业结构内部调整、&退耕还林&是导致内江市土地利用类型数量变化的重要原因。

DT_REL This element is similar to DT_RELA, except its table has implicit addends, such as Elf32_Rel for the 32-bit file class.

DT_REL 类型的数组项类似于DT_RELA类型的数组项(例如:。rel.got section 首地址),只是Rel类型重定位表中的表项会有一个隐含的加数,比如32-bit类型的文件具有的Elf32_Rel数据结构的重定位表项。

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推荐网络例句

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。

It is the most important three water problem which our country faces in the 21st century that flood and waterlog, drought and shortage of water, the deterioration of water environment.

洪涝灾害、干旱缺水、水环境恶化是二十一世纪我国面临的三大水问题。