Bent waveguide is an indispensable unit of structure used in PLC (Planar Lightwave Circuit).

弯曲波导是平面光波导器件中不可缺少的结构单元。

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A new unit of structure Multi-rib Wall is introduced. The hysteretic model and the damage model of Multi-rib Wall are given which based on experiment of 26 Multi-rib Walls.

介绍了一种复合承力墙体—密肋复合墙板，并在2组共26块墙板的试验基础上，提出了该墙板的恢复力模型与损伤模型。

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By analysed on vibration theory we knew that the load js a static load in mechanics of materials, when the loaded time is 6-8 times as much than the natural vibration period of the unit of structure.

通过振动理论的分析得知，材料力学中静载荷的定量标准是：当加载时间为构件系统的固有振动周期的8倍以上时，这种载荷即可认为是静载荷。

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Tuesday's explosion at the No. 2 reactor in the Fukushima complex, 150 miles north of Tokyo, for the first time raised the possibility that the key containment structure of the unit, which protects the reactor vessel and keeps dangerous radioactive materials from leaking out, had been damaged.

WSJ: Japan's Nuclear Crisis Escalates

The structure of the unit is fortified thoroughly to prevent distortion and vibration, so music is reproduced with natural highs and thunderous lows.

ENGADGET: Altec Lansing Live 5000 WiFi music system makes its debut, plays nice with Android and iOS (ears-on)