contingencyn.偶发事件;偶然;依附条件,制约条件
contingency requests临时请求
contingency measures应急措施
contingency strategy权变策略
contingency scanning事故扫描
contingency analysis应急分析
contingency question后续问题
contingency approach权变方法,随机制宜
Contingency Exercise应急演习
contingency provisio意外开支准备金
contingency equation拟切方程