strengthen and coordinate control measures and ensure field activities are sustained;

加强和协调控制措施并确保维持现场活动；

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All of these provide an important theoretical basis for further study of the characteristics of laser sustained plasma flow field and the pulsed laser propulsion experiment.

为进一步研究激光支持等离子体流场特性和脉冲激光推进性能等提供重要的理论依据。

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The seepage field can be described by weans of the combination of the siphon tube bundle model of the sustained capillary water with flow tube bundle model of the saturated water zone.

这个渗流场可用支持毛细水带的虹吸管束模型与饱和水带已有的流管束模型并联来描述。

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Conversely, small-market teams in Pittsburgh, Green Bay, and Indianapolis have sustained on-field excellence.

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And Westbrook had missed much of the 2009 season with a series of concussions. (Sustained on the field, not in the tunnel under the stadium.) The San Diego Chargers did virtually the same thing to LaDainian Tomlinson.

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The U.S. Army field manual classifies sustained sleep deprivation as a form of mental torture.

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