整套启动试运应按:空负荷调试、带负荷调试和满负荷调试三个阶段进行。
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想看白刃血纷纷,死节从来岂顾勋。(《燕歌行》)句中“死节”是什么意思?
根据《政府信息公开条例》的规定,行政机关一般不得公开涉及()的政府信息。
A. 国家秘密
B. 商业秘密
C. 个人隐私
D. 法律法规
You are developing a Windows Communication Foundation (WCF) service that does not operate on a duplex channel.You find that operations do not start until all previous operations have finished. The service hosting code contains the following lines.var service = new WarehouseService(); var host = new ServiceHost(service);You need to ensure that new operations do not wait for previous operations to finish. Which attribute should you use to decorate the service?()
A. [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Multiple)]
B. [CallbackBehavior(ConcurrencyMode=ConcurrencyMode.Multiple)]
C. [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Single)]
D. [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Reentrant)]
发芽法适宜的环境温度是()
A. 30℃~40℃
B. 40℃~45℃
C. 18℃~25℃
D. 10℃~17℃
E. 20℃~27℃