查询词典 thrust

Then through optimum thrust force acceleration governing equation obtained by Pontryagin maximum principle and the reasonable simplification, the optimum low thrust under the orbit elements is obtained. Finally, the optimum transfer orbit analytic solution is obtained by integrating the equations.

应用Pontryagin极大值原理建立航天器最优推力加速度的控制方程，对方程进行合理的简化，只考虑它们的一次项，忽略其它的高次项，从状态方程中得出小推力对轨道根数产生的摄动影响，然后分别对它们进行积分，从而得到最优转移轨道的解析解。

The devices, such as multi-component measurement table and thrust vector measurement rotating table, are used frequently, but they are suitable only for steady test of the thrust misalignment, especially it cant do very well when some load is very high and other loads were low.

目前，发动机推力偏心测试装置常用多分力测试台架和推力矢量测试转台装置，但通常只适合稳态推力偏心测量，且当各分力的量程相差太大时，难以取得理想的效果。

Present the fundamental of computing the landslide thrust, that is, the method should accord with the stabilization method of the landslide, so that the thrust can correspond with the stabilizing factor.

提出滑坡推力计算的基本原则，即滑坡推力的计算方法应尽量与该滑坡的稳定性分析方法保持一致，这样计算的滑坡推力才能和相应的稳定系数对应。

There are five second tectonic unites: Pabei thrust belt; kangsu-wulukeqiati synclinorium belt; Jilegeyoute synclinorium belt; Tianshan thrust belt; and Wuqia-Kashi tectonic belt.

喀什凹陷被划分为五个次级构造单元：帕北对冲带，康苏-乌鲁克恰提复向斜带，吉勒格尤特-乌布拉克-哈勒马艾列克复向斜带，天山山前冲断带，乌恰-喀什构造带。

Particularly, the swimming velocity and thrust generated by undulatory motion of the developed robotic fin are analyzed theoretically. Furthermore, a computational fluid dynamics method is used to show pressure distribution on robotic fin surface as well as the periodical change of generated swimming thrust with time.

重点推导了仿生鱼鳍波状运动时理论上能到达的推进速度和产生的推进力；并采用数值仿真给出了波动推进时仿生鱼鳍表面的压力分布以及推进力随时间的周期变化规律。

The second stage utilises a YF-24 rocket motor consisting of one 75-ton thrust YF-22 motor and a YF-23F swivelling venire motor with four 4.8-ton thrust chambers burning N2O4/UDMH.

第二级采用一台YF-24火箭发动机由一台75吨推力YF-22发动机和四台4.8吨推力的YF-23F发动机所组成，燃烧N2O4/UDMH推进剂。

The influence on oil and gas,combination types, tectonic origin mechanism ,orogenic zone thrust-nappe tectonics and benching thrust-nappe tectonics are summaried in this paper.

本文概述了逆冲推覆构造对油气的影响，组合类型，构造成因机制，造山带逆冲推覆构造和台阶式逆冲推覆构造。

The foreland thrust belt in northwestern margin of Junggar basin is a large-scale imbricated thrust system developed since Late Carboniferous.

准噶尔盆地西北缘前陆冲断带是自石炭纪晚期发育起来的大型叠瓦冲断系统，哈拉阿拉特山冲断带为其冲断前锋构造带的东段。

Based on the analysis of the major pattern of the faults in Tazhong, the feature and the patterns of the fault system was revealed. The patterns of flower structure, imbricated thrust ,Y-fault, back to back thrust fault, and ramp were developed in this zone.

剖面上断裂主要表现为基底卷入式的较高角度逆冲断裂，主要逆断裂均发育有与其背冲的伴生断层，构成&两断夹一隆&的花状构造样式；平面上发育近北西、近北东及近东西向三组断裂。

The Longmenshan structural zone is divided into Maowen ductile shear zone, Longmenshan imbricated thrust structural zone and Longmenshan thrust nappe structural zone from west to east according to its deformation characteristics.

根据龙门山构造带的变形特征，自西向东可以划分茂汶韧性剪切带、龙门山叠瓦冲断构造带和龙门山逆掩推覆构造带。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。