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

Ladders of sunlight pour down onto the patchwork fields and Wasdale suddenly takes on a gentler aspect: the wet fellsides sparkle in the sharp light and Wastwater turns into a smooth sheet of silver, reflecting the surrounding hills.

BBC: The perfect trip: The Lake District

While the former 5D could theoretically handle ISO 25, 600 captures as well, its native range topped out at 6400 -- venturing beyond that territory meant taking a hit on image quality, making it a seldom-used feature that benefited the camera's spec sheet far more than our low-light snap collection.

ENGADGET: Canon EOS 5D Mark III field review Hands-on