时轴

Contributions of the centripetal acceleration in steady flight, the tangential acceleration due to the effect of the angular acceleration, the Coriolis component of acceleration, the radial (the vertical direction at prototype), circumferential and axial (the two horizontal directions at prototype) shaking effects and the elongation effect of the centrifuge arm to the global acceleration of a particle in centrifuge modelling are identified in the expression of the global acceleration.

笔者描述了整体加速度表达式中各项的物理意义，指出了离心机稳定运转时的向心加速度、由角加速度效应引起的切向加速度、互补加速度分量、径向、环向和轴向振动效应以及离心机臂伸长效应对整体加速度的贡献。

For the optical system with circular apertures,it is difficult to get the boundary radical slope of phase and the accurate sampling value in the circular domain boundary when the intensity transport equation is used to recover the original phase.

1引言相位恢复是指利用光束传播时所探测到的光强信息反演出相位[1]，为了获得更多的光强信息以把相位恢复到最佳，一次光强测量是不够的，因此这就要求在光学系统的输出或成像光轴方向上进行多次光强测量。

Common Reflection Surface stack is a brand-new and special ZO imaging method, the theory of CRS stack stems from paraxial ray theory, the biggest difference between CRS stack and conventional ZO imaging method is that it consider a reflector R as a circular reflector segment Cr placed in the vinicity of reflector R, Cr can be seen as the second order approximation of the reflector. The CRS traveltime surface is the multi-coverage reflection response of the reflector mirror assigned to R.

共反射面元（CommonReflection Surface=CRS）叠加技术是一种全新的、特殊的零偏移距剖面成像方法，CRS迭加理论源于傍轴射线理论，它与普通的零偏移距剖面成像方法的最大区别是它认为地下反射层是由许多个小反射弧段互相叠合组成的，认为来自某反射点附近的一个邻域内的反射信息都可以对该反射点的成像作出贡献，因此对该反射点进行零偏移距成像时就应该聚焦更多的能量参与迭加。

The physical properties include density, thermal capacity, resistance ratio, thermal conduction coefficient and viscosity of liquid steel.

推导了考虑水冷铜套和电极之间空气隙影响的等效对流换热系数以及通电时的径向和轴向电磁力方程。

Since the rocking of the nipper shaft causes the nippers to move backward and forward through a series of links, the original position of nipper frame is altered when changing the detaching distance, resulting in the change of other process parameters of the comber.

由于精梳机的钳板摆轴传动钳板的方式都为四连杆机构，在进行落棉隔距的调整时，改变了连杆的初始位置，因此精梳机的其它工艺参数也随之改变。

The acoustic analysis results of axial configurative tongue design with aperture or comb shaped can reduce the BPF peak effects. Therefore we can not only receive better sound quality on the experiments, but also get a similar effect in fluent 6.2 simulations.

结果在声场分析方面，应用孔穴或梳状轴向舌端构形确有降低叶片通过频率声压峰值之效果，因此可获得较佳的音质优化程度，同时在fluent 6.2 中所模拟得到与穿孔型舌端有相近的结果趋势，且其出风口质量流率高转速时明显优於标准舌端

Generally, the cross flow fan operating noise totally about 55 dB, but in the midnight when prominent frequency noise has become extremely annoying. This research attempted to different axial configurative tongue designed to improve penetrating single frequency noise of cross-flow fan.

一般而言，横流扇的运转噪音约55dB左右并不算大，但是在夜深人静时某些特别突出的单频噪音却显得极度恼人，因此本研究尝试以不同之轴向舌端构形设计来改善横流扇之尖锐单频噪音；并将录制之声音以音质参数分析，找出较佳的舌端与叶轮扭转角度搭配。

Flange height and lip thickness are limited to the drawing ratio of the sheet metal in the convectional hole flanging process. Necking or fracture tends to occur before the required flange height being achieved which is unfavorable for subsequent assembly operations.

般金属板材在进行孔凸缘冲压成形时，凸缘高度和轴壁厚度通常受材料伸长率的限制，往往在未达所需凸缘高度前，板材即发生颈缩或破裂的现象，不利后续组装加工。

In a threedimensional coordinate system, a third line is used to represent depth.

轴 在使用了坐标系的图表或其他二维系统中，描绘点时作为参照使用的水平线或垂直线。

Due to the most of particle size are smaller than critical particle diameter Dp at 1 nm CoPt, the effect of superparamagnetism causes the decrease of coercivity. Approximately, the orientation of magnetic easy axis of CoPt thin films is random.

当CoPt厚度为1 nm时，由於大部分的颗粒尺寸小於临界直径Dp，因此产生超顺磁效应，造成整体薄膜之矫顽磁力的下降，大致上，於700℃退火30分钟之CoPt单层薄膜的易磁化轴方向呈现random orientation。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷