valid operation中文什么意思

例句与用法

更多例句：  下一页
1. this is not a valid operation in the c programming language
   方法。在c#编程语言中，这不是有效的操作。
2. valid operation of civic participant network and public policy process
   公民参与网络与公共政策过程的有效运行
3. a reflection on establishment of a valid operation mechanism of supervision by public opinion
   对建立舆论监督有效运作机制的思考
4. the only valid operation permitted upon a typed reference is to pass it to a method that requires a typed reference as a parameter
   对类型化引用所允许的唯一有效操作是将其传递到要求类型化引用作为参数的方法。
5. for the evaluation of wind turbine function, the optimization design and choose of wind turbine should be based on the maximization of energy output during the turbine's valid operation period and the minimization of per kwh cost of the turbine
   风力发电机性能评价问题中对风力发电机优化设计指标的选取上应以有效运行期间的最大发电量和度电成本最低原则进行考虑以提高发电量。