美国南极计划要求的一个绝对必备条件，就是全体南极工作人员必须配备全套ECW(极冷天气)装备。
One absolute USAP requirement, however, is that all Antarctic personnel must have a full complement of ECW (Extreme Cold Weather) gear.
诚信已经从一种个人的道德品质的表现上升为社会对合格社会成员要求的必备条件。
Honesty is changed from one kind of moral exhibition of individual to the certainly qualification of the eligible member of the society.
为了满足风力机复合材料叶片生产的关键工艺要求，采用新型的复合材料叶片模具作为核心工艺装备成为必备条件。
In order to meet the technical requirements for the blade production, the main equipments which are made with advanced composite materials should be the indispensible premise.
通过对自动控制维修人员必备条件和要求的介绍，为自动控制工作人员提出前进目标。
The targets are pointed out for auto-control personnel through the description of the indispensable requirements for auto-control personnel.
要在一个业务要求瞬息万变的环境中提供灵活性，模块化光纤系统是一项必备条件。
Business requirements in a rapidly changing environment, provide flexibility, modular fiber optic system is a prerequisite.
要在一个业务要求瞬息万变的环境中提供灵活性，模块化光纤系统是一项必备条件。
Business requirements in a rapidly changing environment, provide flexibility, modular fiber optic system is a prerequisite.
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