When the period of laser action was reduced to the order of millisecond by using a mechanical rotating switch within the cavity, this effect could still be observed.

采用腔内机械转盘开关，发现当激光作用时间逐渐变短至毫秒量级时，仍可观察到该现象。

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The rotating toggle allows users to quickly switch between four modes: green, library, balanced and gaming.

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But a job could also be considered flexible if it offers the ability to switch roles and responsibilities within a company (as with rotating job titles), if it offers options for job-sharing, or if meetings and company events are not considered mandatory to attend, among other things.

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The control for this valve is a rotating crank handle that has to be screwed what feels like a hundred turns to switch from one position to the other.

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