The invention discloses an electroacoustic transducer which comprises a stationary electric vibrating diaphragm, an opening plate and a plurality of spacing structures.

本发明公开一种电声换能器，电声换能器包括一驻电振膜、一开孔板以及多个间隔结构。

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The cycle of geosyncline formation and orogeny can be integrated with the plate tectonics concept of opening and closing oceans in a simple and natural way.

这种地槽的形成与造山作用的循环可以以一种简单和自然的方式与板块构造的海洋开合理论结合起来。

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During the finite element analysis of shear-wall with opening in high-rise buildings, how to select an appropriate plate element model possesses important significant for software users.

在高层建筑开洞剪力墙有限元分析中软件用户面临不同板单元模型的选取问题。

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The left-hander was lifted onto a stretcher and wheeled off the field through an opening behind home plate.

NPR: Jays' Happ Hit In Head By Line Drive, Carted Off

Last week doctors said they would use a titanium plate to cover an opening in her skull, and give her a cochlear implant to partially restore hearing in her left ear.

CNN: STORY HIGHLIGHTS

Referring to Thomas Sorenson's mistake that gifted England their opening goal, the Mail on Sunday's headline is 'Danish butter fingers hand it on a plate to Sven's men'.

BBC: 'Bring on Brazil'