Replace lamps and lanterns, please ensure switch in closed form.

更换灯具时，请先确保开关处于闭合状态。

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But reality intervenes, and most parts are too complicated to solve in closed form.

但现实的介入，而大部分零件都太复杂，在封闭的形式来解决。

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The optimal rendezvous guidance laws in closed form are given whether the target maneuvers or not.

不管目标是否机动，都给出了闭合式的最优交会制导律。

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Veteran Senior, one of only five men to have played in all 14 seasons of Super League, was in excellent form as Leeds closed the gap on Super League leaders St Helens to two points.

BBC: Leeds 46-10 Hull

Yesterday, in a closed door meeting, the House Democratic caucus voted nearly unanimously not to bring the bill in its current form to the House floor.

FORBES: Tax Cut Deal A Bonanza For Rich Gift Givers In 2011

In an economy closed to flows of trade and finance, the cost will take the form of lower incomes.

ECONOMIST: Bearing the weight of the market | The