When the mechanical properties of this new cartilage were tested, they showed that the regenerated cells were just as effective as the rabbit's naturally formed cartilage.
VOA: standard.2010.08.11
You guys have also seen vectors, I'm pretty sure, but it is worth going over some properties and some may be new and some may be old.
我很肯定你们曾接触过矢量,但复习一下相关的性质是很有必要的,有些可能是新知识,有些是已经学过的
应用推荐