核心词议：
adj. 操作的；运作的
operational 基本解释
adj. 即可使用的；（用于）操作的；经营的；军事行动的
速记方法
速记技巧 词根词缀法 -oper-工作+-ation名词词尾+-al形容词词尾
知识扩展
重要短语
operational efficiency经营效率；运作效率
operational risk操作风险；经营风险；运作风险
operational performance[计]运算性能；使用特性
operational research[英]运筹学
中文词源
中文词源： operational
精选例句
1、 The new airport is now fully operational.
新机场现在可全面投入运营。
2、 The nuclear industry was required to prove that every operational and safety aspect had been fully researched.
核工业需要证明每一个操作和安全项目都已全面调查过。
1、 The greatest concern the authors raise is space debris - pieces of “junk” that orbit the earth, with the potential to cause serious damage if they collide with operational units, including the ISS.
作者提出的最大担忧是太空碎片——绕地球运行的“垃圾”碎片，如果它们与包括国际空间站在内的运行单位相撞，可能会造成严重损害。
1、 Whether the separation distances involved would satisfy air-traffic-control regulations is another matter, although a working group at the International Civil Aviation Organisation has included the possibility of formation flying in a blueprint for new operational guidelines.
尽管国际民用航空组织的一个工作小组已经将编队飞行的可能性纳入了新的操作指导方针的蓝图，但所涉及的间隔距离是否符合空中交通管制规定则是另一回事。
常见考点例句：
- Deliveries of operational aircraft were to begin in 2010 .
- 作战飞机的交付将在2010年开始。
- A new system measures troops in terms of operational effectiveness .
- 新体系根据作战效能来衡量军力。
- Along with a loss of revenue , cancellations cause operational chaos .
- 随着收入损失，取消订单导致了操作上的问题。
- The bomber appears to have been invited to an operational planning meeting on al qaeda , a former senior u. s.intelligence official said .
- 一名前美国高级情报官员说，袭击者看来是受邀参加一个有关基地组织的作战计划会议。
- U. s. officials say they believe china 's new generation stealth fighter , the j-20 , will be operational as early as 2018 .
- 美国官员说，他们认为中国新一代隐形战机歼-20最早将在2018年具备作战能力。
