负反馈电路
(negative feedback circuit 的复数)

朗文3L看听学英语第四册 Lesson 17

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BEP75 Performance Appraisals: Giving Feedback (Part 1)

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发表于:2018-12-05 / 阅读(131) / 评论(0)

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发表于:2019-01-16 / 阅读(48) / 评论(0)

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发表于:2019-01-19 / 阅读(65) / 评论(0)

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发表于:2019-01-21 / 阅读(164) / 评论(0)

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Public feedback invited on disabled law's implementation

BEIJING, May 23 (Xinhua) -- China's top legislature has invited the public to give feedback on the enforcement of the Law on Protection of the Disabled, in a bid to check the law's implementation. Till June 30, the public can log on www.npc.gov.cn, t

发表于:2019-02-01 / 阅读(106) / 评论(0)

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发表于:2019-02-09 / 阅读(128) / 评论(0)

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发表于:2019-02-24 / 阅读(233) / 评论(0)

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学英语单词

battery terminal negative

boxome

brokenhearts

call duration