设计了用于旋转机械动静间隙测量的三层反射式同轴光纤束位移传感器。
Three-layer reflective coaxial fiber bundle displacement sensor for measuring dynamic and static clearance of rotating machinery is designed.
然后用一束激光来测量这个摆动的位移，并由此生成一系列此样本的二维影像，再由这个生成其三维影像。
That displacement is measured with a laser beam to create a series of 2-d images of the sample, which are combined to generate a 3-d image.
推得了包括束流尾场引起的束流纵向和横向位移在内的束流纵向和横向传输表达式，藉以考察束流尾场效应对消色差系统的影响。
The transport formulae taking account of the transverse displacement and longitudinal displacement caused by the wakefield effects have been derived for studying the effects in achromatic system.
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