重力的

Moreover, the mechanism, characteristics and applications of atom interferometers are introduced, among which the application of the atom interferometers in gravitational acceleration measurement is a main concern. The present researches on the precision analysis of cold atom interferometer are reviewed in this chapter.

第一章综述了国内外冷原子物理和原子干涉仪的研究现状；介绍了原子干涉仪的基本原理及其应用；着重分析利用原子干涉仪测量重力加速度的方法，以及原子干涉仪精度分析的研究现状。

In chapter 4, the influence of the wave-front curvature of Raman pulses on the measurement precision of gravitational acceleration in atom interferometers is analyzed with the method of a transmission matrix. It is shown that the measurement precision of gravitational acceleration is highly dependent on the spot size of the Raman pulse, the temporal interval between Raman pulses and the optical path difference of the two counter-propagating Raman pulses.

第四章运用高斯光束传输矩阵的方法计算了原子干涉仪实验中拉曼光束波前弯曲对重力加速度测量精度的影响，得出了精度与拉曼光束光斑大小，拉曼脉冲作用的间隔时间，以及拉曼光束光程差之间的关系。

Hence, the loss of gravitational potential energy of the block equals the gain of elastic potential energy of the spring.

因此，该物块的重力势能的减少，等于该弹簧的弹性势能的增加。

The coupling effect between elastic deformation and the rigid motion was concerned in the dynamic equations. At the same time, the flexible manipulators were assumed as Euler-Bernoulli beams, the elastic deformation of the manipulator was represented by modality truncation equations, both elastic and gravitational potential energy were considered to calculate the total energy for whole system, therefore the finial dynamic modeling is more accurate and simple than others published.

该方法考虑了柔性机械臂刚体运动和弹性变形之间的耦合影响，并将柔性机械臂假设为一段Euler-Bernoulli梁处理，将弹性变形用截断模态方程表示，同时考虑了弹性势能和重力势能的影响，得到的双连杆柔性机械臂的动力学模型具有模型准确、结构简单等特点。

Launch into a new universe of gravity warping worlds in the sequel to one of the greatest games of all time!

发射到一个新的重力扭曲的续集世界的所有时代最伟大的比赛之一宇宙！

The roughness coefficients are inverse proportional to Reynolds number on gentle slopes, and on the contrary,they are direct proportional to Reynolds number on steeper slopes.

在坡度较陡的坡面上，由于水流侵蚀作用强度的变化及重力影响作用的渐趋显著，阻力系数又会随雷诺数的增大而变大。

The conception of crustal isostasy produces a great effect to the geo-scientific research; especially take an important role in the studies of Geodesy and Geodynamics.

地壳均衡的概念对地学的研究有着极大的影响，特别是在大地测量学和地球动力学中发挥了重要作用。均衡重力大地水准面异常作为研究海底地形、地壳结构、构造及地震活动的重要手段，已被科学家广泛应用。

The surface tension convection in space, for the first time, was observed in high temperature oxide solution by using the particles of the microcrystal of KNbO〓.

借助数字模拟手段，在重力对流作用的情况下，对本实验所用的铂金炉圈中的高温熔液内的速度分布和温度分布进行了数字模拟研究。

The foam cement filled into the steel panels drives away the air inside the steel panels by its own gravity and natural running instead of machine injection.

全钢地板内腔填充的发泡水泥，是通过浆液本身的重力和自然流动的原理，排除地板内腔的空气将其灌满。

Influence of Magnet on Deposition Uniformity of Pulsed Ion Source;2. Natural convection is induced by non-conservative body force, which can be gravity, centrifugal or magnet ic force; and enhancement by applying magnet ic fields is a new technology in heat transfer.

自然对流是由非保守体积力驱动的流体流动，这种体积力可以是重力、离心力以及电磁场力等；通过外加梯度磁场来影响流体的流动，产生强化换热效果的方法是一种新型的强化技术。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。