To play in midfield, he would need to add a little bit more discipline - not in terms of his tackling or dissent, but in his positional sense and helping his back four out.

打中场的话需要更多的纪律性——与他的铲球和火爆无关，但他的位置感不错，确实能帮助防守。

youdao

So if, in fact, we want to describe a wave function, we know that we need to describe it in terms of all three quantum numbers, and also as a function of our three positional factors, which are r, the radius, phi plus the two angles, theta and phi.

实际上，我们想描述波函数，我们知道我们需要,用这三个量子数来描述它，同样，波函数还是,三个位置变量的函数，它们是r半径，还有两个角度theta和。

麻省理工公开课 - 化学原理课程节选