How to lower the phosphate has been the important task of protecting the water.

如何减少废水中的磷酸盐排放量，已成为保护水体的重要课题。

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The oil pump has the important task of delivering an adequate volume of oil around the engine at a suitable pressure.

机油泵一个重要的任务是给发动机提供足够量的、压力适当的机油。

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How to cultivate network moral personality of college students? Nowadays, it is one of the important task which cries for our study.

如何培养大学生的网络道德人格，是我们当今迫切需要研究的重大课题之一。

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"The task of further reductions of strategic offensive weapons is too important, both for Russia and the United States, and for the entire world in fact, to make it hostage of any particular regime anywhere around the globe.

VOA: standard.2009.05.07

Familiarity brings comfort, and starting the conversation is the hardest part in completing the important task of advance care planning.

FORBES: Can Patients Make Good Decisions?

Potentially lost in this pile of work will be the important task of making sure the exchanges present insurance choices to consumers in a manner that helps them understand and sort through their options.

FORBES: Will Consumers Be Able to Understand Health Exchanges?

While arrests of gang leaders and massive hauls of seized arms, money and drugs make headlines, the important task of social and economic development promised by local, state and federal government programs remains a difficult undertaking, in part due to fractured and corrupt community leadership.

FORBES: Alternative Models For Community Development Emerge Far From Rio's Bright Lights