It is mainly composed of a PZT plate acting as an oscillator and a curved back liner in order to make the system a state of multi-resonance.

它以通常的平板圆形压电晶片作为换能器振子，加上曲面背衬使整个系统达到多共振状态。

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The flexible winter-proofing gloves feature that on the basis of existing gloves, a back liner and the finger liners are additionally used for resisting cold well.

一种防寒冷风又灵活的手套，它是在已有的防寒冷的手套里料中，增加了一个手套背、手指两侧里料的厚度。

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Back then a SU-15 plane brought down a South Korean air liner which had accidentally encroached upon the territory of the state.

据说当时一架韩国航空班机不小心进入了苏联领空，被一架苏-15战斗机击落。

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The liner is due back in Southampton on 10 January.

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He remained in Sir Lanka until he was sent to Bombay to catch a liner called the Llanstephan Castle back to Britain.

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One of the most uplifting scenes this spring was Brandon McCarthy back on the mound for the first time since he was struck by a liner up the middle last September.

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