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Then,the cosine value of central angle between the spacecraft and the descending node is solved by using cosine theorem of spherical geometry to avoid the cumbersome solving process by judging the flight direction of a satellite and the latitude of sub-satellite point in an original calculation model of image motion speeds.

通过球面几何的余弦定理直接求解航天器与降交点相对地心夹角的余弦值，避开了原像移速度计算模型中通过判断卫星飞行方向和星下点纬度来求解航天器与降交点相对地心夹角余弦值这一过程。

A four\|node piezoelectric composite laminated plated element was implemented for dynamic analysis of adaptive structure. The damping ratios of truncated models were considered as the control objects, so that each of the structural modal oscillation could decay rapidly. Hence, the structural oscillation was effectively controlled.

利用四节点压电复合材料层合板单元进行自适应结构的有限元动力分析；采用模态控制方法，将结构的各阶模态的阻尼比作为控制目标，并以此计算出各压电片的控制电压，达到控制结构振动的目的。

In this thesis, we apply Coulomb's law and propose an external force to overcome the problem of traditional ACM that can not capture the cavities of an object. Assume that each node of a snake has its own electric charge, and the object boundary has opposite electric charge. Then object boundary will attract the nodes of the snake. This helps the contour easily to move to the object boundary.

本论文中，我们运用库仑定律的观念，提出了一个运用局部引力作为外力的方法，用以克服传统主动性轮廓模型在凹面处收敛不佳的缺点；假设物件边界带电，而主动性轮廓模型的结点带与物件边界相异之电荷，则物件边界会吸引著主动性轮廓模型各结点，使得模型曲线更容易靠近物件边界。

Sow the characteristic that serves node according to covering the group in the network, introduce gene difference control and strategy of mutation elite control.

根据覆盖网络中组播服务节点的特征，引入基因差异控制和变异精英控制策略。

A new data model for guide sign system is crested based on the traditional node-arc data model.

将这种数据模型应用于广州市城市路网的指路标志系统中，实现了城市路网指路标志的自动生成。

The Vector Product node applies a Cross Product operation to the two vectors to multiply them together.

VectorProduct节点赋予一个积操作等到两个向量相乘的结果。

Experimental design of the circuit - the transistor triggered by a single node of the single-phase half-controlled bridge rectifier circuit, through the step-down, rectifier, output waveform, circuit design including DC motors, Thyristor, single crystal, such as rectifier circuits.

实验设计电路-由单结晶体管触发的单相半控桥式整流电路，通过降压、整流、输出波形，电路设计包括直流电动机，晶闸管，单结晶，整流电路等。

Branches several per node on upper culm; leaf blade 7–19 cm

分枝数个每节在上面秆上；叶片7-19厘米 45

Objective To explore the effect of curettage and aspiration technique in lymph node dissection for advanced gastric cancer.

目的探讨刮吸解剖法在进展期胃癌淋巴结清扫术中的应用效果。

WPA Cracker customers get access to a 400-node computing cluster that employs a custom dictionary, designed specifically for guessing WPA passwords.

WPA破解服务的用户能够使用一个400个节点的计算机集群。这个计算机集群使用一个专门为猜WPA口令设计的一个客户化的字典。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。