The RPM pipes have superiority over UPVC pipes through the comparison study.

通过对r PM管和UPVC管的比较研究，得出RP M管有更大的优越性。

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The comparison study on the original and relational storage of GML spatial data.

GML空间数据的原生存储与关系存储的比较研究。

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Chapter III is the comparison study of how to solve administration controversy, civil disputes and competition extraterritorially.

第三章是域外解决行政争议与民事争议竞合情况的比较研究。

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Most of these are shared among humans as well as mice, rats and other mammals used for comparison in the study.

VOA: special.2009.05.05

By comparison, the big government study enrolled women and randomly assigned Prempro to one half, and placebo to the other half, resulting in two groups that were indistinguishable from one another.

FORBES: A Consumer's Guide To Medical Jargon

One problem: The Erbitux trial lacks a control group or a comparison to conventional chemotherapy, so the study does not show clear survival benefit.

FORBES: Puncturing The ImClone Hype

One examined 29 patients with Crohn's disease and found that after six months, 21 were considered remitted. (There wasn't a control group for comparison.) The other was study of 54 patients with ulcerative colitis.

WSJ: In a Squeaky-Clean World, a Worm Might Help Fight Disease