When sailing in waves, ship hull total bending deformation will reduce the center distance of gear backing radially arranged in ship hull.

船舶在波浪中航行时，船体总弯曲变形会使沿船体纵向布置齿轮机构的轴承支座中心距产生缩减。

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Using ultrasonic wave intelligent distance-measuring sensor and voice record-reproducing circuit, a voice anticollision-prompting device for backing an automobile is designed.

利用超声波智能测距传感器及语音录放电路，设计了机动车倒车防撞语音提示器。

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With financial backing from a Dallas utility, he would build the first fiber link between McAllen and Corpus Christi: Long-distance companies wanted an alternative to their weather- plagued microwave links.

FORBES: Fiber in the sagebrush