查询词典 range

Moreover, the range of m is obtained when G is a forest, a unicyclic graph, a bicyclic graph, a tricyclic graph and a tetracyclic graph, respectively, and the graph is determined when m(≥1) takes different value in its range.

给出了当G是森林、单圈图、双圈图、三圈图、四圈图时m的取值范围，并确定了m(≥1)在该取值范围内取不同值时的所有图。

It is shown that the microstructure of ZJ510L is refined by increasing the rolling pass and the cooling rate. The size range of final ferrite is about 5-6μm. Precipitates consist mainly of Al2O3, MnS, AlN and lots of carbonide particles, and their size range is about 20-150nm. It is verified that ZJ510L steel possesses a good combination of strength and plasticity due to its fine microstructure and has excellent formability and notched bar impact strength.

通过光学显微镜、透射电镜和力学性能实验研究表明：ZJ510L显微组织随著轧制道次和冷却速度的增加而细化，最终铁素体晶粒尺寸约为5~6μm；析出的第二相粒子主要为Al2O3，MnS和AlN以及大量的碳化物，尺寸大多在20~150nm之间；成品板强度和延伸率较高，并具有良好的成形性能和低温冲击韧性。

Universal Chain/Chainless Mercerizing Range This range is used for continuous treating the cotton and its blended fabric with caustic soda solution.

普通型布铗丝光机本机适用于棉及其混纺织物连续进行苛性钠处理，布铗与直辊槽相结合，丝光效果好，品种适应性强。

In the presence of 1b,1c,or 1d(5%,molar fraction),chalcone was stereoselectively epoxidized by sodium hypochlorite with yields range from % to 92% and ee range from 58% to 63%.

以次氯酸钠为氧化剂时，化合物1b、1c和1d可不对称地催化查尔酮的环氧化反应，ee值58%~63%，产率%~92%。

FEATURES Clickless Bilateral Audio Switching Guaranteed Break-Before-Make Switching Low Distortion: 0.003% typ Low Noise: 1 nV/Hz Superb OFF-Isolation: 120 dB typ Low ON-Resistance: 60 typ Wide Signal Range: VS = 18 V; 10 V rms Wide Power Supply Range: 20 V max Available in Dice Form

特点无杂音双边音频切换保先断后接开关低失真：0.003％典型值低噪声：1纳伏/赫兹卓越的隔离性：120分贝典型值低导通电阻：60典型宽信号范围：比= 18伏； 10 V RMS的宽电源电压范围：20 V的最大可用表格中骰子

On captive market, the firm gains profit , reason why within the long range , the curve tilting to down-right part , comparing cliffy need curve with LAC relatively is friends during the period of the long range monopolizing a firm's is even,; The product equilibrium price is maximal, average cost that greater than produces at present; Even product quantity minimum

在垄断市场上，厂商在长期内获得利润，所以，在垄断厂商的长期均衡时，向右下方倾斜的、相对比较陡峭的需求曲线与LAC曲线相交；产品的均衡价格最高，且大于生产的平均成本；产品的均衡数量最低。

Comclusion: transpetrous presigmoid retrolabrinth approach was rational approach for surgery on petroclivus and -4- CPA; it抯 important for accomplish the surgery to study and master the anatomy and variance of this approach; there was relative anatomical relationship among those structure on posterior of petrous bone; AAMP was the extracranial mark of inflexion of TS and SS; LAM and PSC were obvious bone marks for operation; we can confirm the abraded range of petrous bone lean upon LAM and/or GSS beside abrading step by step as literature, and it抯 unnecessary and unrational to emphasize to show PSC if the surgical space was enough; preceding sigmoid sinus and high jugular bulb often appeared at right and would bring disadvantage effect; interspace ,between CN V and CNVII or CNVII and CNJXI, were available to reach clivus and manage the mass on the range.

经SS前迷路后入路是处理岩斜坡区、桥小脑角区病变理想的手术入路；研究和熟悉手术入路中的解剖结构及部分变异对指导手术十分必要；岩骨内测面的骨性结构之间有着相对稳定的空间关系；顶乳缝前角是SS和TS转接处在颅外的标志；IAM和PSC等结构可以作为手术中的重要骨性标志；以PSC确定岩骨的磨除范围是较安全和可靠的，但亦可以结合影像检查，以内耳道和乙状窦前缘为基点判定切除范围，如果操作空间足够，过分强调磨出半规管是不适当的；右侧GSS的宽度和深度较对侧大，SS前置和颈静脉球高位较对侧多见，这些都对右侧入路有不利的影响，但仍可以进行手术操作；三叉神经和面神经间隙及面l 神经和舌咽神经间隙方便到达斜坡并处理病变。l

The active imaging system based on range gated compart different range background light and reflected light by target according to time sequencing by using a pulsed laser and intensifilered CCD camera, to corfirm the pulse signal which the target reflect fall on working time of gated camera.

基于距离选通的激光主动成像系统是利用脉冲激光器和选通增强型CCD相机，以时间的先后分开不同距离上的背景散射光和目标反射光，使由被观察目标反射回来的辐射脉冲刚好在选通相机选通工作的时间内到达相机并成像。

Therefore, established a finite element Stable response model of a horizontal whole string and carried out t the safety varied frequency of gas well after researched the natural seriously transversal vibration and compressional vibration frequency range of tubing string with packer and packerless, so that it make the tubing string to avert the covibration frequency range of natural gas excited.

本文认为以某井高产量稳产时，天然气对油管柱的外激励为简谐激振，因此研究中建立某水平井全井段油管柱稳态响应的有限元力学模型，并获得了在无封隔器和有封隔器情况下的油管柱发生严重横振和纵振的频率范围，提出了天然气安全调节频率范围，使油管柱避开可能引起严重破坏的天然气激励频率区域。

It tells particularly the debris flow"s the encironment and the development characteristic by numbers . And according to its character , selecting the latest research results at present , the anthor calculates the debris flow"s the moving , dynamical characteristics and the scale , such as , the velocity of flow , the wallop , the peak value flux , and the total flux . And the anthor calculates density in different design frequency by the empirical formula method . In the text, the author uses the modle of evaluating a single gully to evaluate the risk of the debris flow . First , the author calculates the hazard degree in different design frequency , and forecasts the risk range of debris flow in Shenjia gully based on the maximum pile thickness and the total solid amount of a denbris flow . Then , on the basis of the risk range in different design frequency , the author carries out the damageability and risk assessment . The basic purpose of risk management is reducing risk or transferring risk , reducing the loss of life and property . The text constructs the system of risk management of debris flow in Shenjia gully , basis on the condition of Shenjia gully .

本文从地形地貌、地层岩性、地质构造、气象水文等方面系统地阐述了深家沟泥石流的发育环境及发育特征；分别从形成区、流通区、堆积区对深家沟流域特征进行描述；依据泥石流沟自身特点，选用现阶段最新的研究成果，推算了不同设计频率下的深家沟泥石流流速、峰值流量、总流量、冲击力等动力特征和规模数据；并且根据经验公式法来确定深家沟不同设计频率下的泥石流容重；本文采用单沟泥石流风险评价模型对深家沟泥石流进行风险评价，首先对不同的设计频率下的深家沟泥石流进行危险度评价，根据最大堆积厚度与一次泥石流冲出量来预测不同频率下的泥石流危险范围，然后，根据预测的评估范围，评价对应范围内的易损度，最后作出风险评价；城镇泥石流风险管理的根本目的是降低风险或转移风险，减少生命财产的损失，本论文根据泸定深家沟泥石流的具体情况，构建了深家沟泥石流风险管理体系。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。