方孔条既可以在不同的安装孔间调整位置，又不必额外占用机柜的内部空间。
The square strip can be used to regulate position among different fixing hole and not occupies extra inner surface space of the cabinet.
用发货附带的螺钉和浮动螺母将滑道前端的安装孔位与机柜前方对应侧的立柱方孔条固定；
Fix the installation holes on the front end of the slider rail to the square holes on the front post of the rack with screws and cage nuts shipped with the slider rails.
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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