n It takes discrete values, multiples of some integer n, and the multiplication factor is the ratio of the Planck constant divided by 2 pi where n takes one, two, three and so on.

这些离散的值乘以整数，乘积因子,是普朗克常数除以2π,其中n可以取1，2，3，等等。

youdao

In this paper, a new duty ratio control technology using PI controller is presented.

本文提出了一种使用PI控制器的占空比控制技术。

youdao

Conclusions: The ratio of ovarian medulla area to ovaries area, PI? Ri of ovarian medulla were important role in diagnosis of PCOS index.

结论：卵巢髓质面积与卵巢面积的比值、卵巢髓质pi, RI值有重要辅助诊断多囊卵巢综合征的价值。

youdao

And since we are not expecting the mass of the particle to change, what we really are saying is the uncertainty in its velocity times the uncertainty in its position is greater than the ratio of the Planck constant divided by 2 pi.

因为我们不期望,粒子质量发生变化，我们说的是,它速度的不确定度,乘以它位置的不确定度,比普朗克常量,除以2除以圆周率要大。

麻省理工公开课 - 固态化学导论课程节选

n It takes discrete values, multiples of some integer n, and the multiplication factor is the ratio of the Planck constant divided by 2 pi where n takes one, two, three and so on.

这些离散的值乘以整数，乘积因子,是普朗克常数除以2π,其中n可以取1，2，3，等等。

麻省理工公开课 - 固态化学导论课程节选