The wall effect on the two-dimensional aggregate density distribution for mono-sized and multi-sized aggregate is discussed in this paper.

首先，应用一种简单的模拟算法，分析了混凝土骨料分布密度的边界效应和边界层形成机理。

youdao

Aeration has a negative effect on the two-dimensional electrode reactor, whereas it enhances the removal effect of the three-dimensional electrode reactor on COD.

通入压缩空气会对二维电极反应器的运行产生不利影响，而对三维电极反应器降解有机物则可起到促进作用。

youdao

At the same time, this relationship will have a broadening effect on the two of you. You will become more tolerant of the differences between you as well as between yourselves and others.

同时这段关系也能让你们变得更加宽容，并更加地容忍你们之间以及你们和他人之间的差异。

youdao

He says the changes went into effect on May twenty-ninth with the goal to process all requests within two weeks.

VOA: special.2009.06.11

He also talked thoughtfully about the effect on cinema of the two biggest technical developments in the period over which the Star Wars films were made: computerised special effects and the rise of the DVD.

BBC: Mark Lawson

And that could be the biggest positive effect on the economy over the next two years.

FORBES: Calmer Rhetoric In Washington The Biggest Boost For Markets

The investigators studied the effect of the two drugs on the progression of blockages in the arteries of the heart.

FORBES: AstraZeneca Study is Good News for the Public, Bad News for AstraZeneca