电子点火系的二次侧电压较高,主要原因是()。 火化塞间隙大。 点火线圈性能好。 高压线不易漏电。 一次侧电流大。
To increase the availability of an Advanced Replication environment, you can add a new master to a replication group without quiescing the group. This is achieved(). Only when the new master site already has existing replication groups. 。 By issuing a single command to create, populate, and activate the new master. 。 When the master definition site is not the same for all of the master groups. 。 Without impacting end users who are executing data manipulation language (DML) commands on the replicated tables.。
消费者自认为与自己完全不符合并极力避免与之行为相似性的群体。如高收入者对低收入者的消费行为,成年人对青年人的消费行为。这种消费者群体是() 所属群体。 渴望群体。 自觉群体。 回避群体。
论述孔板流量计的工作原理?
What is the result?() Line 26 prints "a" to System.out.。 Line 26 prints "b" to System.out.。 An exception is thrown at runtime.。 Compilation of class A will fail due to an error in line 6.。
对固定式压力容器耐压试验周期的规定是()。