backup equipment

基本解釋

Arrange to have back-up equipment close by and be prepared to present without visuals;
準(zhǔn)備一些備用設(shè)備以防萬(wàn)一，并做好沒(méi)有圖像資料仍能演講的準(zhǔn)備；
Back-up equipment and proper training will allow the photographer to produce acceptable results.
后備設(shè)備和適當(dāng)?shù)挠?xùn)練，將允許攝影師產(chǎn)生可以接受的結(jié)果。
gdpccsi.blog.163.com
Furtherly, the paper also takes the back-up equipment, concept and application for the downhole-deploymemt-valve into full research.
此外，本文還對(duì)套管閥的設(shè)備配套、理論和應(yīng)用進(jìn)行了較全面的分析研究。
lib.swpu.edu.cn

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The full-size USB port provides connectivity to existing equipment and SD card reader enables easy file transfer plus back-up when Internet access is not feasible.
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