查询词典 reciprocating motion

To the motion of the Earth through the background radiation.

而是地球通过背景辐射的运动造成的

A tennis return made with a downward motion that puts backspin on the ball.

在网球中用一个向下的动作来使球旋转回去。

First, according to the performance index of the system, designs the mechanical entity and analyses the forward and backward solution about its motion pose and position.

本文主要完成了机械本体的设计、液压伺服系统的设计并建立了伺服控制系统的数学模型，对其仿真分析。

Firstly, we prove the existence and uniqueness of the adapted solution of multi-dimensional backward stochastic differential equations driven by Brownian motion and Lévy process by using predictable representation theorem and the fixed point theorem about contract mapping, and also prove the comparison theory.

第一部分运用可料表示定理和压缩映射原理证明由布朗运动和Lévy过程共同驱动的多维倒向随机微分方程适应解的存在唯一性及其相应的比较定理。

Secondly, we consider stochastic LQ optimal control problem driven by Lévy processes and Brownian motion. By applying the -Lévy formula, Gronwall's inequality, Young's inequality and Cauchy-Schwarz inequality, we obtain the closeness property of the solution of multi-dimensional backward stochastic Riccati differential equations.

第二部分首先研究由布朗运动和Lévy过程共同驱动的随机LQ最优控制问题，接着利用-Lévy公式、Gronwall不等式、Young不等式及Cauchy-Schwarz不等式证明多维倒向随机Riccati微分方程适应解的闭性质，并利用此性质证明一维BSRDE解的存在唯一性。

A sculpture suspended in midair whose delicately balanced parts can be set in motion by air currents .

悬挂在半空中的雕塑品，它精巧的平衡部分在风吹的时候可以运动。

A sculpture suspended in midair whose delicately balanced parts can be set in motion by air currents.

悬挂在半空中的雕塑品，它精巧的平衡部分在风吹的时候可以。。。

At present, Chinese enterprises have become a ball bearing linear motion of the main enterprises, with a number of national patents.

目前已成为中国企业生产直线运动球轴承的主要企业，拥有多项国家专利。

It's also a good idea to have a plan in motion to refinance the balloon if necessary.

这也是一个好主意，有一个计划在议案转热气球，如果必要的。

She noticed how small his rear was in his tight jeans--she could see the outlines of his billfold in the left pocket and the bandanna in the right one-and how he seemed to move over the ground with unwasted motion.

她注意到他裹在紧身牛仔裤里的臀部是那样窄小-----她可以看到他左边裤袋中钱包的轮廓和右边裤袋中的大手帕。她也注意到他在地上的行动，没有一个行动是浪费的。

The network space is the typical form of abstract space when it comes to the digital stage.

网络空间是抽象空间数字化阶段的典型形式。

The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

公证制度作为我国司法证明制度，既是社会信用体系的建设者，同时也是社会信用的捍卫者，在诚信中有其特殊的价值和功能。