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land and water相关的网络例句

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与 land and water 相关的网络例句 [注:此内容来源于网络,仅供参考]

By combining the experiment, field observation and data collection with SWAT model simulation, the water budget in different types of land use (forest and grass ecosystems, orchard and crop ecosystems) were calculated by SWAT model. Then the water circulation and water budget in the following years were predicted and the main factors that influenced the water budget in hilly region of red soil were analysised.

本研究采用室内测定、野外观测、资料搜集与模型模拟相结合的方法,应用SWAT模型研究了赣东北红壤丘岗区不同土地利用方式的水量平衡,并对林草系统未来几年的水量平衡进行了预测,分析了区域水量平衡的影响因子。

The right and obligation of citizens and collectives to a contract for management of forests, land, mountains, grasslands, unreclaimed land, beaches, water surfaces and other natural resources under collective ownership or of state owned land under collective use shall be handled in light of the stipulations of the contract.

公民和集体依法对集体所有的或者国家所有由集体使用的森林、土地、山岭、草原、荒地、滩涂、水面等承包经营的权利和义务,按承包合同的规定处理。

Spatial conversion: The spatial conversion mostly occurred between cultivated land and settlements.Additionally, the increase of land for urban construction includes rural settlements which assimilated by urban expansion.The fraction of xerophilous grassland increase mainly converted from un\|irrigated cropland, shrub forest mainly converted to xerophilous grassland, and bottom land mainly converted to water body.

3空间转换:以农田和聚落之间的转换为主,另外城镇建设用地的增加包括其扩展融入的农村聚落等;典型草地的增加主要来自旱地;灌丛减少主要是转变成典型草地,其次是转变成灌丛草地;河湖滩地减少主要是变为内陆水体,再是转变成水浇地。

The effect of Zea mays and Bromus riparius on soil and water loss were studied,the experiment was conducted to plant crop and grass in runoff-plots on the 15 degree slope naturally,the bare slop is CK,then the runoff and soil erosion amount and the biological characteristics of corn and meadow bromes termly were measured,and difference of soil and water loss prevention effect on the slop land were determined.The results showed that soil and water loss became less after both corn and meadow brome planting.And the leaf area and the coverage of meadow brome higher than corn,which was benefit for less soil and water loss at the rain season early.Meanwhile,roots of corn and meadow brome mainly distributed in 0-10 cm soil layer,and the root biomass of meadow brome was 2.88 times than that of corn.

试验在自然降雨条件下,在15°坡地设置作物与牧草径流试验小区,以裸地为对照,在每次降雨之后用全深剖面采样器取样,测量其径流量和土壤侵蚀量,定期测定玉米和草地雀麦的生物学特性,研究玉米与草地雀麦生物学特性变化及其坡地水土流失防治效果的差异,探索植物种植对坡地水土流失的主要影响因素,结果表明:种植玉米与草地雀麦,对坡地水土流失均有一定防治作用,但是,与玉米相比,草地雀麦的叶面积指数和覆盖度可在雨季前达到较高水平,有利于早期坡地水土流失防治。

China Aero Geophysical Survey and Remote Sensing Center for Land and Resources,Beijing 100083,ChinaIt is a difficult task for shadow and feculent water area processing when extracting water body from remote sensing image by traditional methods.Light Laser Detection and Ranging is robust to gain point cloudy data from shadow and feculent water as it has less affection from that area.However,the point cloudy data is always with low resolution which results to contour line with low accuracy.

从遥感影像中提取水体的传统方法在阴影处和水体浑浊处存在一定局限;机载激光雷达获取点云数据时水体受阴影和浑浊的影响小,因此使用点云数据提取水体比使用影像数据更加稳健;但点云数据的分辨率低,所提取的轮廓线精度不高。

From 1985 to 2000, woodland, grassland, industrial and residential land tended to be more inerratic and stable, whereas cropland and water area more complex and unstable. Unused land remained unchanged. During this period, the land use structure of Suzhou was unsteady, and its form became more complex.

从1985年至2000年,林地、草地以及居住与工矿用地趋于规则、稳定;耕地、水域用地趋于复杂、不稳定;未利用土地没有变化;苏州市土地利用结构不够稳定,土地利用形态趋于复杂化。

Then the sustainable development of Qitai artificial oasis was discussed. Researches showed that the oasis development has gone through three phases: The first was harmonic stage before the middle of 20, the oasis developed according to water resources. The second was unharmonic stage from 1950's to 1980's because of unreasonable policies, that is cultivated area enlarged rapidly and water resources exploited backward. As a result, land output was lower, and environment destroyed heavily. The third stage is after 1980's, the new fragile balance between oasis and its environment was established on the base of the more and more ground water utilization.

研究认为奇台人工绿洲人地关系发展经历了三个阶段:第一阶段是20世纪50年代以前,&以水定地&的相对协调发展时期;第二阶段是20世纪50-80年代人地关系发展失衡时期,人工绿洲迅速扩张,水资源开发滞后,耕地因缺水灌溉而成为低产田,环境破坏严重,人地发展失衡的原因是政策因素;第三阶段是20世纪90年代以来人地关系脆弱平衡时期,决定其平衡的因素是不断增加的地下水开采量。

I was now furnished with Roots and Corn, such as it was, and Water, and leaving my friendly Negroes, I made forward for about Days more without offering to go near the hoar, till I saw the Land run out a great Length into the Sea, at about the Distance of four or five Leagues before me, and the Sea being very calm I kept a large offing to make this Point; at doubling the Point at about two Leagues from the Land, I saw plainly Land on the other Side to Seaward; then I concluded, as it was most certain indeed, that this was the Cape de Verd, and those the Islands, call'd from thence Cape de Verd Islands.

现在,我有了不少杂粮,又有了水,就离别了那些友好的黑人,一口气大约又航行了十一天,中间一次也没有登岸。后来,我看到有一片陆地,长长地突出在海里,离我们的船约十三、四海里。当时风平浪静,我从远处经过这海角;最后,在离岸六海里左右绕过这小岬角后,又发现岬角的另一边海里也有陆地。这时,我已深信不疑,这儿就是佛得角,而对面的那些岛屿即是佛得角群岛。

I was now furnished with Roots and Corn, such as it was, and Water, and leaving my friendly Negroes, I made forward for about eleven Days more without offering to go near the Shoar, till I saw the Land run out a great Length into the Sea, at about the Distance of four or five Leagues* before me, and the Sea being very calm I kept a large offing* to make this Point; at length, doubling the Point at about two Leagues* from the Land, I saw plainly Land on the other Side to Seaward; then I concluded, as it was most certain indeed, that this was the Cape de Verd, and those the Islands, call'd from thence Cape de Verd Islands.

现在,我有了不少杂粮,又有了水,就离别了那些友好的黑人,一口气大约又航行了十一天,中间一次也没有登岸。后来,我看到有一片陆地,长长地突出在海里,离我们的船约十三、四海里。当时风平浪静,我从远处经过这海角;最后,在离岸六海里左右绕过这小岬角后,又发现岬角的另一边海里也有陆地。这时,我已深信不疑,这儿就是佛得角,而对面的那些岛屿即是佛得角群岛。

The main conversion of land use include four types: paddy field converted to builtup areas and water, the area of forest transformed to builtup areas and dry land area converted to construction land.

土地利用的主要转化方式有水田转化为建设用地、水田转化为水域、林地转化为建设用地以及旱地转化为建设用地。

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