查询词典 orbit

It was one of hundreds of inactive satellites that remain in orbit.

它是现存于地球轨道中数以百计的废弃卫星中的一员。

As inchoative from wall street second borrow the crisis to global money market spread, alibaba's stock was in orbit of be issued to lower levels 2008 in.

随着发端自华尔街的次贷危机向全球金融市场的蔓延，2008年阿里巴巴的股票处于下行轨道之中。

It takes advantages of AR-quiver analysis and APR- tilting translation. We proved: if T_A is a tilting A-module over a path algebra of type A_n or a characteristic tilting A-module over a path algebra of type D_n,E_6,E_7, E_8,then there are points corresponding indecomposable direct summands of T_A in theτ- orbit of each edge.

通过对Dynkin型路代数的AR-箭图分析及利用APR-倾斜变换，证明了A_n型路代数倾斜模及D_n，E_6，E_7，E_8型路代数本性倾斜模T_A的一个必要条件是，在A的AR-箭图Γ_A的边缘的r-轨道都有T_A的不可分解直和项对应的点。

The arduous 17-day journey has been a bumpy one but the Indian space agency says all systems on board the unnamed satellite are working well and if all goes well in a very delicate operation fraught with many dangers, the Chandrayaan should rendezvous with the moon and then remain in the moon orbit for the next two years.

艰苦的为期17天的旅程一直是坎坷的，但印度航天局说，所有系统上的匿名卫星运作良好，如果一切顺利的话在一个非常微妙的运作充满了许多危险，应该在月球交会与月球和然后留在月球轨道上为今后两年。

In order to provide references for the ground separation tests and the separation system design, characteristics of the constrained and centroid biased on-orbit satellite separation were analyzed in inertial reference frame.

为了给分离地面试验和分离系统设计提供依据，在惯性参考系中分析了筒式偏心在轨分离问题的运动特性。

Meantime, the inexistence of the large 2-hom loop and large 2-per orbit are also demonstrated.

同时，我们还证明了大2-同宿环和大2-周期轨的不存在性。

At the end of this chapter, two computer programs AOGRA_SCE and CINE〓_SCE used for space charge effect calculation are briefly introduced. In Chapter 3, the different injection methods for sector focused cyclotron and the different types of inflectors for axial injection are briefly described firstly. Then the reference particle's orbit and the optical property in spiral inflector, the most common-used injection method, are studied in detail.

在本章的第4节中，介绍了两台强流扇聚焦回旋加速器（50MeV-6mA H〓超导扇聚焦回旋加速器和17MeV-2mA H〓扇聚焦回旋加速器）的具体设计步骤和计算结果，讨论了这两台扇聚焦回旋加速器中加速轨道和相空间的传输以及空间电荷效应的影响。

Simulation results of autonomous maintenance optimal output feedback control for 3-dimension orbit initial error status are shown.

一般情况下最优控制律的实现是需要变推力发动机的，在没有变推力发动机的情况下，本文特别给出并验证了用冲量等价的方法实现变推力发动机替代的可行性。

Integral inequality is an useful tool of researching asymptotic stability of the closed orbit.

研究周期轨的渐近稳定性的一个重要工具是积分不等式。

In the second chapter, we consider a kind of Kolmogorov system. The sufficient condition for nonexistence of the closed orbit and existence of the unique and stable limit cycle are obtained by using divergence integral, Poincare-Bendixson theorem and Zhang Zhifenunique theorem.

第二章讨论了一类Kolmogorov系统，利用发散量积分、环域定理和张芷芬唯一性定理，得到了该系统无闭轨的充分条件和存在唯一极限环的条件。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&