Bike Forums - View Single Post - WinZip Rear Disc Brake When it comes to tandem rim brakes, the 'barf box' that always appears under linear-pull brakes is "MORE POWERFUL THAN (fill in the blank)" And, you know what, that's probably true Linear pull brakes -- like a well adjusted disc -- can generate more raw stopping power than the average conventional cantilever or caliper brake
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细胞STR鉴定是什么？ - 知乎 短串联重复 （Short Tandem Repeats, STR）序列分析方法是国际细胞系认证委员会（ICLAC）推荐的人类细胞标准鉴定方法。这个由科学界支持的独立委员会管理着一个已知被交叉污染或错误鉴定的细胞系数据库。 为什么要进行细胞系鉴定？ 错误鉴定细胞系是一个普遍存在但往往被低估的问题，严重危及试验