Moreover, synchronous switch is applied to the system in order to complete the smooth switch on condition that frequency and phase of inverter power and power supply are the same.

同时利用同步切换控制实现水泵由变频电源向工频电源的平稳切换。

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A light tap on a smooth surface or the proximity of a hand replaces physical actuation of a mechanical switch.

在光滑表面上轻轻一触，或者用手靠近一下，就能代替机械开关的物理传动。

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But the switch may not be smooth.

但这种转换不会是一帆风顺的。

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Fallon contacted Leno in an effort to help smooth the potential switch, according to a Hollywood Reporter story Wednesday.

WSJ: Fallon reportedly replacing Leno, moving to NY

It's a tricky balancing act to pull off, and lots could go wrong -- for instance, it's not exactly clear how smooth it will be to switch between the two types of Windows, or if you'll even be able to get the old Windows on certain types of tablets (that is, tablets that run the power-efficient ARM processors used by the iPad and most other tablets today).

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