late 14c., "a way of doing something, method; practice, custom, usage;" also "an applied science;" from Old French practique "practice, usage" (13c.) and directly from Medieval Latin practica "practice, practical knowledge," ultimately from Greek praktike "practical" (as opposed to "theoretical;" see practical). From early 15c. as "practical aspect or application of something; practice as opposed to theory;" also, "knowledge of the practical aspect of something, practical experience."
实用例句
1. Objective: into the practic value of frequency field of admittance differential cephalogran.
目的: 探讨频域脑导纳图的实用价值.
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2. Do not askto speak French! I am out of practic.
千万别讲法语, 我已经生疏了.
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3. This paper presents the washing water close - cycling practic, experience and good result.
简要介绍该厂在洗水 闭路 循环实践中的做法 、 经验及取得的效果.
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4. Briefly are outlined their general formulae , preparation examples, usage methods and practic al results.
