Delay function is manually controlled.

延时功能手动控制。

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These circuits are superior to manually controlled attenuation circuits composed of resistances.

显示出比纯电阻手控衰减电路更优越的性能。

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A manually controlled lever projecting from the switch permits the driver to signal the direction in which he wants to turn.

从开关上突出的一个用手控制的杠杆使驾驶员能根据所转的方向显示转向信号。

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At the meeting officers said extra signs would be placed around the roadworks to warn motorists and temporary traffic lights would be controlled manually to ensure traffic was kept moving.

BBC: Derby ring road works continue to disrupt traffic