The research methods of social science generate two kinds of data.

社会科学的研究方法生成两类数据。

《柯林斯英汉双解大词典》

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There are two kinds of strokes. An ischemic stroke happens when a blood vessel in the brain gets blocked.

VOA: special.2009.09.22

And so there are only two kinds of waves that can exist on this violin string, standing or traveling.

由于这只有两种波,可以存在在这条弦上，驻波或行波。

麻省理工公开课 - 固态化学导论课程节选

So, we'll start today talking about the two kinds of molecular orbitals, we can talk about bonding or anti-bonding orbitals.

今天我们先来,讨论两种分子轨道，我们要讨论成键和反键轨道。

麻省理工公开课 - 化学原理课程节选

GupShup (Hindi for "chitchat") launched three years ago to offer two kinds of messaging services.

FORBES: Magazine Article

The striking difference between the two kinds of business is captured in asset figures.

FORBES: Money & Investing

"There are two kinds of marriage: full marriage and the skim-milk marriage, " she said.

BBC: Gay marriage: Supreme Court justices criticise Doma