查询词典 mechanics

Based on variable mass system mechanics theory, the robotic system is regarded as a variable mass object.

基于变质量系统力学理论，将这一类爬壁机器人系统看作变质量物体。

If the predictions of quantum mechanics prove to be observationally correct, as seem to be the case, then no such "complete" theory as envisioned by EPR is possible.

如果量子力学的预言在观测上被证明是正确的，那么 EPR 等人所设想的"完整"的理论是不可能存在的。

English: 569. If the predictions of quantum mechanics prove to be observationally correct, as seem to be the case, then no such "complete" theory as envisioned by EPR is possible.

如果量子力学的预言在观测上被证明是正确的，那么EPR等人所设想的"完整"的理论是不可能存在的。

Although a great deal work have been done to theoretical research of beams with two cantilevers structure, we paid attention to test systems used in beams with two cantilevers mechanics test less. And school, incorporated teaching and researching, needed this small or medium octavo test system to develop teaching and researching. So joining in this development item of test system established by school, the thesis aimed to develop a set of simple, economical and applicable test system of reinforced concrete beams with two cantilevers to serve for teaching and researching, and make it a powerful supplement in structural experiment field.

我们尽管已经对双悬臂结构的理论研究做了大量的工作，但是对双悬臂结构进行力学试验的试验体系相对较少，而作为教学与研究为一体的学校迫切需要这样的中小型试验测试体系开展教学与科研，故本课题结合学校已经立项的试验系统开发项目力图研制开发一套简单、经济、适用的钢筋混凝土双悬臂梁试验系统为教学与科研服务，同时作为对双悬臂梁结构试验领域的补充。

Recently, with the application of finite element method in engineering mechanics, it is necessary and possible to study the welding procedure of domestic oil derrick materials, for the purpose of more appropriate procedure and to improve the welding quality and productivity of oil derrick.

近年来，随着计算机辅助设计在工程中的应用，有可能也有必要对国内井架材料的焊接工艺进行进一步的研究，制定合理的焊接工艺，提高井架焊接质量。

This instrument may help us to research on the wound mechanics of neck ...

为实现这一运动，我们研制了一套专用的测试装置。

In the second chapter, we investigate the statistical mechanics of one-dimensional hard ball systems.

在第二章中，我们讨论了一维硬球系统的统计力学。

The main parameter of the fluid mechanics is Reynolds count, the basic condition of sludge dispersing Reynolds count is in onflow.

管出口流体力学的主要参数是雷诺数，分散污泥的基本条件是管出口的雷诺数处于湍流状态，雷诺数大于5000后污泥流动状态更稳定。

For the simplest interactive system of two particles with spin 1/2,the operator of Lie algebra can only realize the transition among the triplets, however, in order to realize the transition between the triplets and the singlet, the operators of Yangian must be involved, that is ,Yangian goes beyond Lie algebra in Quantum Mechanics.

对于最简单的两个-1/2的耦合系统，李代数生成元只能实现其自旋三重态之间的跃迁，而要实现三重态和单态之间的跃迁，必须由Yangian代数中的J 算子所引起，即 J 成为量子力学中超越李代数生成元的算子。

The study of operator algebra bagan in 30times of 20th century. Though compary with some other theory it is relatively new, but it has unexpected application in some mathematic theory and other subject, such as quantum mechanics, noncommutative geometry, linear system, contral theory, number theory and some other important branches of mathematics.

算子代数理论产生于20世纪30年代，它在数学和其他学科中都有着出人意料的应用，它与量子力学，非交换几何，线性系统，控制理论，数论以及其他一些重要数学分支都有着广泛的联系和相互渗透。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。