IP协议是网际层的核心协议。
产于辉长闪长玢岩岩体中部的铁矿化
医疗器械不良事件监测，是指对医疗器械不良事件的（）、（）、（）和（）的过程。
逍遥游
You work as an application developer at Certkiller .com. Certkiller .com uses an application that calculates monthly payments based upon client input. You are currently debugging this application using the Microsoft Visual Studio 2005 IDE. The application contains the following code： public double CalculateMonthlyPayment （Single rate， double principal） { //Implementation code } You have discovered that unexpected results are being returned by the application. You would like to pause execution and display a message box containing an error message in the event of a negative or zero rate value is Passed to the CalculateMonthlyPayment method. You need to ensure that this only occurs during debugging mode. What should you do？（） A。 B。 C。 D。
Certkiller.COM采用Windows Server 2008企业证书颁发机构（CA）颁发证书。你的指示来实现密钥存档。来实现这个任务，你应该怎么做呢（）
