laser speckle的用法和样例：
例句
- A method of fabricating rough surfaces of known statistical parameters by exposing the photoresist to laser speckle patterns is analysed in this paper.
分析了用光刻胶记录激光散斑来制作粗糙度参数可控表面的方法，并成功地制作了一批样品。 - In this paper, Annular aperture cone glass shearing laser speckle photography used for measuring the derivatives of displacements is proposed for the first time.
研制了环形孔径锥镜剪切相机，并利用它进行激光散斑照相，测量物体的位移导数场。
