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Ball and beam system is a classical instable system whose mathematical model is constructed in this paper. 摘要球杆系统是一种经典的不稳定控制系统。
This paper describes a new multi ion and electron beam system for preparing optic thin films. 本文介绍一种新型的光学薄膜制备用多离子束电子束系统。
When high beam headlights are in use sensors in the Automatic High Beam system detects oncoming traffic and automatically switch the headlights to low-beam. 当远光灯大灯都在使用中的传感器自动检测系统的高光束迎面而来的流量和自动切换到低大灯光束。
When these techniques are combined with a scanning focused beam system and a data acquisition system, abundance distribution of elemental composition can be displayed. 如果将粒子束聚焦;且装上扫描设备和计算机数据获取系统;可以得到样品中元素丰度分布的扫描图.
Finally, the transient amplitudes of the beam system under the axial motion of piezoelectric actuator for three models are obtained by the finite difference method. 最后，由有限差分法得到各组暂态振幅的数值，并比较之。
The two laser beam system has been used to measure the relative density of linen dust, with the feature of wide measurement range,good sensitivity and restraining the intensity fluctuation noise. 本文采用双光路激光系统，对亚麻尘的相对浓度进行了连续测量，具有测量范围宽、灵敏度好、抑制激光强度起伏噪声等特点。
proton electron positron colliding beams 质子电子正电子碰撞束
The axisymmetric problems, bar and beam systems as well as space systems FEM are introduced by combining with engineering applications. 并结合工程应用介绍轴对称问题、杆梁系统、空间结构有限元法等。
direct write electron beam system 直写式电子束光刻装置
raster scan electron beam system 光栅扫描电子束光刻系统
floor structure without beam system 无梁楼板结构体系
She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
vector scan electron beam system 矢量扫描电子束装置
I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
steel-concrete composite beam system 钢-混凝土结合梁体系
His answer was right on the beam. 他的答案完全正确。
Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。