What follows is not a systematic ranking or review, but a general guide to a very vibrant world that few have bothered to explore in depth.

以下的展示并不是一个系统性的排名或评论，但可以用来作为这个充满活力但却经常困扰你深入了解的互联网世界的普通指引。

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To assess the effect of food taxes and subsidies on diet, body weight and health through a systematic review of the literature.

通过对文献的系统综述，评价粮食税和补贴对饮食、体重和健康的影响。

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A systematic review of 162 scientific papers published in the scientific literature over the last 50 years, however, found there was no significant difference.

但是，系统地研究了过去50年出版在科学文献里的162篇科学论文后，发现并无多大的不同。

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And so,we wanted to do a systematic review of all the literature, find all of the appropriate studies and pool them to see if together, there's a benefit for replacing saturated fat specifically with polyunsaturated fat."

VOA: standard.2010.03.25

Rather than initiating research, it is designed to evaluate existing studies, in a process known as systematic review.

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In October 2008, the Archives of Psychiatric Nursing published a systematic review of omega-3 fatty acids as a treatment for bipolar disorder.

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The third establishes an inter-agency task force to lead a systematic review of detention policies and procedures and a review of all individual cases.

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