The probe choices for ultrasonic crack detection of welding line of light sheet are discussed from two aspects of theory and practice.

从理论和实践两方面探讨了薄板焊缝超声波探伤探头的选择方法。

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It is assumed that the information of the particle image photographed by double-exposure with a light sheet is processed by correlation method.

速度场是通过对一个片光源上两次曝光的图像进行互相关处理来得到的。

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The blood flow particle field is illuminated by a laser light sheet and optical parameters of the experimental system are selected to obtain the optimal flow field pictures.

用激光片光源照亮血流粒子场，再计算确定实验系统光学参数，以获得最佳流场图片。

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The new microscope, called Multi-View SPIM (MuVi-SPIM) shines a thin sheet of light on the embryo, illuminating one layer of the embryo at a time to prevent light damage.

MSN: Fruit fly embryo grows into larva in 3-D video

We have a federal holiday dedicated to him, we have the moral authority of his spoken and written words, and we have his mighty spirit hovering over our nation like an uninterrupted sheet of light.

CNN: Martin Luther King's dream is alive

He set his cell on fire by tearing his mattress apart, wrapping the stuffing in a sheet, popping his light bulb, and using the exposed wires to set the whole thing ablaze.

NEWYORKER: Hellhole