Thus the expensive malaria control effort had been wasted.

因此，耗资巨大的疟疾防治努力被浪费。

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The optimal control and simulation method for systems with stochastic perturbation were investigated in the case that control effort is to be considered under internal model control (IMC) structure.

在内模控制（IMC）结构下对控制能量存在约束时一类随机摄动系统的最优控制及其仿真方法作了探讨。

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She made a visible effort to control her anger.

看得出她竭力控制自己不发火。

《牛津词典》

Unfortunately, Obamacare is trying to halt this cost-control effort by imposing crippling restrictions on high-deductible plans.

FORBES: Another Broken Obama Promise: The Healthcare Cost Monster Emerges

Separately, China plans to strip power from the agency overseeing its one-child policy, which could mean the eventual phaseout of the population-control effort.

WSJ: What's News

Jannuzzo spearheaded Glock's efforts to kill the Clinton Administration's voluntary gun-control effort in 2000--it was that or face a multitude of tobacco-like government-sponsored lawsuits.

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