查询词典 gravity

We proposed and proved three theorems through which the theoretical formula of cosine transform spectrum of gravity anomalies of the point mass and the vertical rectangularcylinder was deduced in order to obtain the general equation of gravity anomalies.

为获得重力异常余弦变换谱的通式，提出并证明了3个定理；利用它们推导了点质量和直立矩形柱体的重力异常余弦变换谱理论公式，同时给出了重力异常余弦变换谱通式。

A method for building the finite element model of the gravity support system for International Thermonuclear Experimental Reactor was proposed according to the characteristics of the gravity support system with the cyclic symmetry.

针对国际热核实验反应堆重力支撑系统具有周期对称性的特点，提出了ITER重力支撑系统的有限元模型的建模方法。

Our primary work in this thesis is that, in view of the general holographic principle between gauge theories and gravity from string theory, we calculate the mass spectra of several typical QCD$_4$ glueballs in term of AdS$_6$ AdS-Schwarzschild black hole metric of Einstein gravity theory.

这篇毕业论文里，我们主要的工作是以弦理论中的规范理论和引力理论之间的广义全息原理为基础，根据爱因斯坦引力理论的AdS$_6$ AdS-施瓦茨黑洞度规计算了几个系列的QCD$_4$胶球质量谱。

In order to compute the failure probability of structural systems for stability of gravity retaining walls, firstly, two performance functions against overturning and sliding of gravity retaining walls were established. Then, the first order second moment theory in structural reliability analysis, i.e., the checking point method was introduced to compute the two failure modes respectively, and two corresponding reliability indexes could be obtained.

为了计算重力式挡土墙稳定性的结构体系失效概率，首先分别建立重力式挡土墙结构抗倾覆稳定性和抗滑移稳定性的功能函数，然后引入结构可靠度分析一次二阶矩法中的验算点法分别对两种失效模式进行计算，得出两个相应的可靠度指标。

This would require that the number of effective degrees of freedom in quantum gravity can be reduced by a large gauge transformation; more evidence for a peculiar hidden symmetry in quantum gravity.

这将需要一些有效的自由度在量子引力可减少了大型针式转变；更多证据的特殊隐藏对称性量子引力。

Relative techniques are introduced, such as spherical gemel hoisting mechanism that made the active docking ring rotating in three-dimensional direction, intelligent gravity balance technique that could provide the force with high speed and precision to balance gravity and could automatically follow with the active docking r.

介绍了有关技术：主动环实现三轴转动的球铰吊装机构；能够高速度、高精度地提供重力平衡力，并能实现自动随主动环上、下运动的智能型重力平衡技术；保证平衡器随主动环随动的轮轨式二维平动技术，经轻量化设计，其摩擦阻力和惯性阻力很小，并对轮轨式方案进行了试验，当量摩擦系数仅为

We study the post-Newtonian limit of a generalized dilaton gravity in which gravity is coupled to dilaton and electromagnetic fields.

中文摘要我们研究了较广义的Dilaton重力理论的后牛顿极限。

Based on the gravity gradient measurement principle of rotating accelerometer gravity gradiometer ,an online method of accelerometers scale factor adjusting is proposed in this paper.

在旋转加速度计重力梯度仪的重力梯度测量原理的基础上，本文提出了加速度计标度因子的在线调整方法。

The gravity gradiometer has been the development direction of gravity apparatus.

分析利用此公式进行重力梯度测量时需要注意的问题。

In this paper,we introduce the main research content and the basic principle of GAN,the situation and development of the gravity sensor ,digital map processing and matching theory in home and abroad,especially the architecture and the research results of Gradiometer As an External Navigation Aid,Gravity Aided Inertial Navigation System.

本文在进行了一般性辅助导航方法的概述之后，详细介绍了与辅助导航相关的重力场基本概念、重力辅助导航系统的主要研究内容、基本原理；从重力传感器、重力图数据处理及重力图匹配理论与算法三个方面详细介绍了其国内外研究现状，重点介绍了重力梯度仪辅助导航、重力辅助惯性导航和通用重力模块三种系统的体系结构和研究成果；总结了重力辅助导航涉及的关键技术及其发展趋势；最后给出了我国开展海洋重力辅助导航研究的若干建议

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。