Methods: Compare study develops between hogwash oil and edible oil and wants to find especial, discriminating, physical and chemical character in laboratory.

方法：将潲水油与正品食用油进行对照研究，寻找潲水油特有的可在实验室进行检测的理化指标。

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In a similar study, Oshin Vartanian of Toronto University asked volunteers to compare original paintings with ones which he had altered by moving objects around within the frame.

在一项类似的研究中，多伦多大学的奥欣·瓦塔尼安移动了画中物体的位置，再让志愿者们比较原画作和他修改过的画作。

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She says the study was the first to compare the economic effects of different kinds of smoking bans.

VOA: special.2009.05.27

Compare the above study from the 1990s to a recent market-timing study of industry experts since 1998.

FORBES: The More Things Change, the More...

Neither does the study compare like with like.

BBC: NEWS | Health | NHS 'needs 5,000 extra dentists'

This shows data to compare the recently released study to the prior three studies since 2007.

FORBES: Business and Web 2.0 An interactive feature