So, let's say we're talking about the baseball, have a wavelength of the baseball that's on the order of the baseball.

克服质量的效应，比如说以棒球为例,要棒球的波长有它尺寸数量级的波长。

麻省理工公开课 - 化学原理课程节选

The radius of the nucleus as compared to the radius of the entire atom is on the order of about one to 10,000.

原子核的半径,相对于整个原子的半径来说,是1比10000这个数量级。

麻省理工公开课 - 固态化学导论课程节选

So, we would actually need a really, really, really tiny velocity here to actually overcome the size of the mass, if we're talking about macroscopic particles, to have a wavelength that's going to be on the order.

是10的负34次方焦耳每秒,所以如果我们谈论的是要一个，宏观粒子有相应数量级的波长的话，我们需要一个非常非常非常小的速度来。

麻省理工公开课 - 化学原理课程节选

The electrical conductivity plummets about three orders of magnitude.

电导率突然下降,约3个数量级。

麻省理工公开课 - 固态化学导论课程节选