This article briefly talks on the source of pollutant rainwater inside battery limit of refining unit and necessity of its treatment and drainage.

论述了炼油装置区内污染雨水的来源和处理排放的必要性；

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Objective: to investigate the error rate of electronic prescription in our hospital and discuss the necessity of inserting dosage limit module to intervene input error in pediatric hospital.

目的：调查我院电子处方录入错误的数量和分类，探讨儿科医院嵌入用量限制模块自动干预录入错误的必要性。

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Simultaneously to avoid the specific responsible persons taking advantage of the right leaving its obligation, we should make certain limit for the necessity right of specific obligor.

但是现阶段我们不能绝对地否定特定责任人员紧急避险的权利。

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This will, by necessity limit the sensitivity of this category (i.e. some lead-related deaths are missed).

FORBES: Guest Post: After an Unprecedented Request for a Retraction, A Close Look at the Data

The other day, I blogged on the necessity of increasing the debt limit.

FORBES: Right Shows Blithe Indifference To Consequences Of Hitting The Debt Limit