...RoHS一共列出六种有害物质,包括:铅Pb环境标准RoHS是《电气、电子设备中限制使用某些有害物质指令》(the Restriction of the参考资料: EU RoHS标准与CHINA RoHS标准有哪些不同 深圳普瑞赛思锂电检测认证回复: 1,《管理办法》(中国rohs)与 ROHS 指令(欧...
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They soared beautifully even as they fought the restriction of the string.
即使与牵引线奋争着,它们依然在美丽地翱翔。
They soared beautifully even as they fought the restriction of the string.
即使与牵引线奋争着,它们依然在美丽地飞翔。
TO join in WTO, does not mean our products export can exempt from the restriction of the trade barrier.
加入WTO,并不意味着我们的产品出口可以免遭贸易壁垒的限制。
Scientists first studied the effects of calorie restriction on aging in the nineteen thirties.
VOA: special.2009.09.01
This takes advantage of the very specific properties of restriction enzymes.
这利用了限制酶的独特性质
What are the properties of this restriction enzymes?
这种限制性内切酶的特性是什么
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