这项研究的目的是为了比较患者用与不用血小板凝胶治疗的疗效。
The goal in this study was to compare the outcomes in patients treated with and without the platelet gel.
而且，与白人学生不同，黑人小孩的老师通常不用黑人的语言教孩子们，而是用老师们自己都说不好的英语。
And, unlike white pupils, they are usually taught in a language (English) that is not their own, by teachers who themselves cannot speak it properly.
但是如果用纳米孔，实质上就不需要化学与处理和“放大”，取而代之的是，可以一次一个碱基对地读出单条dna链，也不用标记。
With nanopores, however, virtually no chemical pre-processing is required and no amplification. Instead a single strand of DNA can be read, one base pair at a time, and without the need for labelling.
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