[问答题] 青绿饲料的优缺点？

A WCF service code is implemented as follows. (Line numbers are included for reference only) 01 [ServiceContract] 02 [ServiceBehavior(InstanceContextMode = 03 InstanceContextMode.Single)] 04 public class CalculatorService 05 { 06 [OperationContract] 07 public double Calculate(double op1, string op, double op2) 08 { 09 } 10 } You need to increase the rate by which clients get the required response from the service. What are two possble ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)（） ["","","",""] 操纵室与起重机本体间的接地用4mm×40mm以上的镀锌扁钢，并且不小于（） ["4处","1处","2处","63处"] 什么是成矿规律 预制楼梯脱模起吊时混凝土强度允许值应达到（）。 ["A.40% ","B.50% ","C.65% ","D.75%"] 教育在人力资源开发中的作用 青绿饲料的优缺点？