Ultrasonic imaging nondestructive testing technology could be used effectively in inspecting and controlling braze quality of switch electric contact.

针对开关电触头钎焊质量难以检测的问题，采用超声成像无损检测技术能够有效地检测并控制焊接质量。

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By increasing or lessening the hours of darkness in each day, the scientists have been able to turn plant growth off and on like an electric switch.

用增加和减少每天黑暗小时数的方法，科学家已经能够控制植物生长，如同控制一个电器开关。

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At the bottom of the stairs my hand met an electric switch. I turned it, and a great electrolier of twelve red globes flooded the cellar with a red light.

到了最下边一级台阶，我的手碰到一个电源开关，我打开它，一座安了十个红灯泡的大型吊灯架让地下室里一片红色。

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Five years ago, dairy farmer Darryl Vander Haak flipped the switch on the first electric generator in Washington State powered by manure.

VOA: standard.2010.02.23

If he needed a surge of strength, he imagined throwing an electric switch to flood his muscles with power.

ECONOMIST: John Bachar, free-climber, died on July 5th, aged 52

When you slip the stubby gear selector (an electric switch, actually), you can hear and feel satisfying mechanical clunks and shudders coming from the six-speed, dual-clutch transaxle, signaling that the fuse is lit.

WSJ: Nissan's Mad Scientists Grow a Bluntly Boffo GT-R | Rumble Seat by Dan Neil

Mr Brown also said the government was launching a new website, ChargePlace Scotland, which will allow the public to find charging points and detail financial help available to switch to an electric vehicle.

BBC: Plan for electric car charging points across Scotland