因为每条腺嘌呤尾都“平躺”在片基上，加快了速度。

This is because each adenine tail lies flat on the substrate, taking up space.

youdao

因为每条腺嘌呤尾都“平躺”在片基上，加快了速度。

This is because each adenine tail lies flat on the substrate, taking up space.

youdao