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[数]复数运算
1、complex sentence───复杂句
2、complex number───[数]复数
3、heart operation───心脏手术
4、complex───n.复合体；综合设施；adj.复杂的；合成的
5、complex idea───复杂的想法
6、operation management───运营管理；经营管理；Cao作管理
7、operation───n.Cao作；经营；[外科]手术；[数][计]运算
8、commercial operation───[经] 商业经营
9、strabismus operation───[医]斜视手术
1、Even so, creating the circuit patterns on such a large surface was a very complex operation.───即使如此，在那样大的表面积上造出电路网格也是一项非常复杂的工作。
2、Both above methods need chemical sample preprocessing, which contains complex operation and possibly man-made interference.───上述两种方法需对样品进行化学预处理，测量Cao作复杂，存在人为因素干扰等问题。
3、For example, a component performing a complex operation may broadcast its state.───例如，执行复杂Cao作的组件可以传播它的状态。
4、In a complex operation which it hopes to close before August, it will inject its banking business into its listed holding company, Criteria.───在一次复杂的Cao作(La Caixa希望在8月前完成)中，La Caixa将其银行业务注入到它的控股上市公司Criteria。
5、Traditional measurement technology has shortcoming of destroying samples, high cost, wasting time, complex operation and offline analysis.───传统的检测技术存在PoHuai样品、成本高、耗时长、Cao作复杂、无法实现在线分析等缺点。
6、PLC has high price and complex operation. So the relay is always used in simple logic control.───PLC成本高，Cao作复杂，对于简单逻辑控制，目前仍然以继电器控制为主。
7、In a large complex operation that deals with the public, there are hundreds of problems that range from the comic to the tragic.───如此庞大繁复的工作，又是在同公众打交道，总会出现许许多多可能令人高兴的，也可能令人沮丧的问题。
8、The complex operation, which involved at least 300 Internet addresses, was discovered and quietly shut down in May 2010.───这一涉及300个WangZhi的复杂行动在2010年5月被发现，并随即停止下来。