料液经塔体顶部的高速离心雾化器，(旋转)喷雾成极细微的雾状液珠。

Liquid through the tower at the top of the high-speed centrifugal atomizer, (rotation) Spray into a very fine mist liquid beads.

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二极管是将交流电整流成直流电的电子装置。

Diodes are electronic devices which rectify alternating current to direct current.

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使用的恰当，极简设计的海报可以设计成每个元素都传达出一种信息。

Used correctly, minimalist posters are designed to use each of its elements to send one message.

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So this is a little bit negative and this is a little bit positive, which means I could model this by drawing a dipole. This is a dipole.

这边带一点负电,这边带一点正电，这意味着我能把它表示,成一个偶极。

麻省理工公开课 - 固态化学导论课程节选