本文研究的是有关处理刚体转动换轴问题的一般方法和步骤。
This paper deals with problem about rigid body in rotation with changing axis, meanwhile, general preceduer and step are given.
快速换轴装置：本机器有三种切割轴可共选用，采用快速换轴方式，因应不同材料需求。
Shaft Change: Three kinds of cutting shafts for optional using on this machine, which use quick changing shaft according to different material.
百货广场桩基托换工程是深圳地铁一期工程关键工点之一，其托换轴力大，施工环境复杂。
Pile underpinning of Baihuo Plaza with great underpinning force and complex construction environment is one of the important parts of Shenzhen Metro project.
浮点数表示法，含部份换轴之高斯消去法，使用矩阵大小之计算尺度调整，带状及三角对角系统，LU分解。
Floating point representation, Gaussian elimination with partial pivoting, scaling of computations with matrix size, banded and tri-diagonal systems, LU decomposition.
顺便说下，如果不是先沿x轴再垂直走，你也可以换种方法走。
By the way. Instead of going first along the X-axis vertically, you could do it the other way around.
刚换不久的客车左前导向轮制动鼓轴头在客车行驶中突然断裂而引起翻车事故。
Fracture of shaft head of brake drum for the left front pilot wheel which was just installed caused the automobile to turn over.
在换低速档时，根据从变速装置的输入轴转速的信号求得的实际车速，来设定发动机转速的目标值。
At a shift-down time, the target value of the engine speed is set according to the actual speed determined from the signal of the input shaft speed of the transmission system.
在换低速档时，根据从变速装置的输入轴转速的信号求得的实际车速，来设定发动机转速的目标值。
At a shift-down time, the target value of the engine speed is set according to the actual speed determined from the signal of the input shaft speed of the transmission system.
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