If I look at something that goes as n squared, if this is the edgeof the nucleus here and if this is r1, 4 it says when n goes to two the radius goes to four.
如果在原子核外侧,我们发现某一半径和n的平方成正比，也就是说当n为2时半径等于。
2
By researching relation between cutting edgeradius and force to cut synthetic fiber it develops a technique for measuring the sharpness of tools.
通过研究刀具刃口半径与刀具切断纤维的力之间的关系，提出了一种检测加工刀具锋利性能的方法。
3
The two basic precision requirements for ultra precision diamond cutting tool are the precision of outline and edgeradius.