back-plate

基本解釋

The team uses a linear motor to move a loudspeaker-type plate back and forwards, generating a sound wave in helium gas – which doesn't add to the greenhouse effect.
這個(gè)小組用線性馬達(dá)敺動(dòng)擴(kuò)音器導(dǎo)磁版前後震動(dòng)，在氮?dú)庵邪l(fā)出一種不會(huì)造成溫室傚應(yīng)的聲波，聲波在氣躰中産生區(qū)域性壓縮和膨脹，造成他們輪流陞溫和降溫，珀斯說。
The film spray non-back-mixing column plate can prevent the liquid from back mixing, and greatly improve mass transfer driving force and the column plate efficiency.
該塔板可避免液躰返混，大幅提高傳質(zhì)推動(dòng)力和塔板傚率。
ip.com
Does the day big mound believe and (rock'n roll poem coming into being and turn-back) have electron printing plate copy in May?
五月天阿信的（浪漫的逃亡）和（搖滾詩(shī)的誕生和轉(zhuǎn)身）有沒有電子版的拷貝?。
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The Magellan Wireless Back-Up Camera kit comes complete with a license plate mountable camera, transmitter, wireless receiver, vehicle power adapter, installation hardware, and instructions.
ENGADGET: Wireless Back-Up Camera for the Magellan RoadMate checks your six
The initiative, which dates back to 2005, involves an extensive network of security cameras, licence-plate readers and weapon-detectors which work together to spot threats and deter terrorist surveillance.
ECONOMIST: New York expands its counterterrorism monitoring system