发电机同步并列运行应满足()、()、()相同三个条件。
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空井时发生井涌后,必须抢下钻具到井底,然后再关井。()
A. 错;
B. 对。
采掘工作面装药前和爆破前出现什么情况,严禁装药、爆破?
You are planning the migration of an existing application to Windows Azure and SQL Azure. The original application includes a Microsoft SQL Server 2008 database. You need to recommend an approach for ensuring that the database migrates successfully toSQL Azure. Which two actions should you recommend?()
A. Remove all clustered indexes from the database.
B. Remove all dependencies on the Microsoft Distributed Transaction Coordinator (MSDTC) from the application.
C. Use SSL and SQL authentication to connect to the database.
D. Use SSL and Windows authentication to connect to the database.
患者男,71岁。受凉后咳嗽,咳少量黏液脓痰,伴发热,右侧胸痛并右肩及右上腹痛。查体:体温39.1℃,脉搏96次/分,呼吸24次/分;右侧胸廓呼吸动度减弱,语颤增强,右肺下叩诊浊音,可听到支气管呼吸音及响亮的中等湿啰音.杵状指。血常规化验:白细胞15×109/L,中性粒细胞0.90。对该患者诊断最有意义的检查是()
A. 痰培养加药敏试验
B. 心电图检查
C. 腹部超声波检查
D. 血沉、肝功检查
E. 胸部X线正侧位摄片