当日水位变化()且按等时距观测或摘录时,可按算术平均法计算日平均水位。
A、剧烈
B、频繁
C、骤降
D、平缓
产品项目中产品型号的数目是( )。
A、宽度
B、长度
C、深度
D、关联性
挡土墙是常见的墙式护岸,分为()挡土墙、扶壁式挡土墙和悬臂式挡土墙等。
A、断面大
B、靠自身重量维持稳定
C、重力式
D、坡度陡
电视节目的正点播出,不仅仅是播出技术问题,很大程度上,它受到哪些方面因素的影响和制约?
You are developing a Windows Communication Foundation (WCF) service. You enable logging in the configuration file. The opening tag is defined as follows. logMalformedMessages="true" logMessagesAtServiceLevel="true" logMessagesAtTransportLevel="true" maxMessagesToLog="20"> You need to ensure that logging is implemented so that only messages with SOAP headers are logged. What should you add to the filters element of the application configuration file?()