There's the cliche of the curmudgeonly comic – grouchy, aloof, a bit passive aggressive – and there's the one who can't switch off, and craves laughter like you or I need oxygen.

他们的特征都是小气的喜剧演员共有的——爱抱怨、冷漠、些许消极的攻击性。 还有一种演员则不停地让你我笑到缺氧。

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Optical switch is a kind of important passive optical components in all-optical communication network.

光开关是全光通信网络中的一种重要的光无源器件。

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Chapter 2, 3 and 4 dissertates the basic design theories and detail design processes of LNA, SPDT switch and passive mixer, including the design and optimization of the layout.

第二、三、四章分别论述低噪声放大器、单刀双掷开关和无源混频器的基本设计原理和具体设计过程，其中包括版图的优化设计。

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But the fact that Russia and the West are talking, rather than rattling sabres at each other, must disappoint those in Belgrade still hoping that Russia will switch from passive to active support of the Serb cause.

ECONOMIST: Bombs over Belgrade, diplomatic as well as military