fringe benefit

Therefore, many researchers have focused their studies on second language vocabulary acquisition in foreign countries, and more and more researches on incidental vocabulary acquisition have been done in recent years.

因此，第二语言词汇习得的研究已经成为国外研究者广泛关注的热点，近年来关于第二语言词汇附带习得的研究尤其多。

On the basis of the dynamic column test, it should be set up that the mathematical modelling of designed velocity and adsorption band length in GAC column.

在动态柱状试验基础上,建立了炭柱中设计流速与活性炭吸附带长度的数学模型,对净水装置炭柱高度设计具有指导意义。

These, plus the balancing function of the collateral appellate system, there has formed the complicated phenomena of the change or non - change of appealable interest.

加之附带上诉制度的平衡作用,形成了上诉利益变与不变的复杂现象。