简炼是词语，拼音是jiǎn liàn，释义为简要精练。
其作用在于用简炼的文字概括交代工作总结的问题；
Its role is to use the simplest words summary account of summing up the work of the problem;
电路设计简炼，灵敏度高，频率范围宽，具有较高的工程应用价值。
It has high value of practical engineering application with the advantages of simple circuit design, high sensitivity and wide frequency range.
他回答简炼，头脑冷静，当轮到麦凯恩发言时，他的眼睛一直盯着对手。
He offered short answers, maintained his cool, and kept his eyes fixed on McCain when it was his opponent's turn to speak.
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