It can not only realize conventional spare power source automatic switch-in, but also realize system automatic recovery.

不仅可实现常规备用电源自动投入的功能，还可实现系统的自动恢复。

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A reasonable nonlinear model for transformer switch-in with load was proposed in this paper and multivalued hysteresis characteristic was adopted to be the excitation characteristic of the core.

建立了一个比较合理且精确的变压器有载合闸的非线性数学模型，铁芯的励磁特性采用了多值磁滞特性。

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In Type 3 situations, there are few alternatives, but the ability to switch without difficulty creates a threat that companies can use to negotiate concessions from existing suppliers.

在第三种情况下，几乎没有其他选择，但毫无困难地转换的能力造成了一种威胁，企业可以利用这种威胁与现有供应商谈判让步。

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So in the summer of 2001, we decided to switch gear from a backend technology provider to a front-end consumer-oriented search service.

于是在2001年夏，公司决定从后台技术提供者,转变为直接面向消费者的搜索服务提供方。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

So now it's not just that the on-off switch is stuck in off, the brain's no longer capable of engaging in these higher order P-functions.

所以现在看来就不是开关被卡住，大脑已经不再有能力,实行这些高级的人格功能。

耶鲁公开课 - 死亡课程节选

Imagine I have a little lamp, a little goose- one of those little gooseneck lamps, I'd put it on the table here, I'd put the height about a f-- about a foot off the table. And if I was really good, - I could hit, or time it so that when I hurt- yeah, try again. When I turn this on switch on in the lamp, at exactly the same time, I'm going to hit a key on my computer and start it running.

想象下我有一个那种小雁颈台灯-,我把它放在桌子上，大概离桌子，有一英尺那么高吧,这样挺好的，我可以打开-,或者关闭这灯,并在这同时，我可以让我电脑,开始运行。

麻省理工公开课 - 计算机科学及编程导论课程节选

In addition, when the government publicised the switch-off in June it also linked the move to efforts to restrict fraud.

BBC: Kenya to switch off 'fake' mobile phones

The council will now consult with groups such as the police, fire service and community councils before the planned switch-off in the new year.

BBC: Council agrees lights switch-off

Evolution has arranged financing for methane-capture equipment in Argentina and for a switch by a 120-megawatt power plant in Hungary from coal to biomass fuel.

FORBES: Selling the Blue Sky