principal action

基本解释

The principal emergency action to take with oxidizers is isolation of the leaking cylinder in a well-ventilated area free from any combustibles and ignition sources.
处理同氧化剂有关的紧急情况应该采取的行动是把正在洩漏的钢瓶隔离在没有任何可燃物和火源的通风良好的区域。
The principal emergency action to take with oxidizers is isolation of the leaking cylinder in a well-ventilated area free from any combustibles and ignition sources.
处理同氧化剂有关的紧急情况应该采取的行动是把正在泄漏的钢瓶隔离在没有任何可燃物和火源的通风良好的区域。
It does not achieve its principal action in or on the human body by means of pharmacology, immunology or metabolism, but may be assisted in its function by such means;
其用于人体体表及体内的作用不是用药理学、免疫学或者代谢的手段获得，但是可能有这些手段参与并起一定的辅助作用；
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It is founded on the principal axes of action: climate change, biodiversity and water.
UNESCO: SHSviews
But the balance of the argument was finer than the Fund and its principal sponsor appear to think—and chances to strengthen the case for action have been missed.
ECONOMIST: Kill or cure?
While the Soviet Union may have receded for the moment from these demands by settling for a more ambiguous formulation of the resolution and an affirmation that political and diplomatic measures would receive maximum use, the principal Soviet objective seems to have been served: to delay U.S. action and to increase the pressure against unilateral American military steps.
CENTERFORSECURITYPOLICY: Center for Security Policy