按GB7588-2003《电梯制造与安装安全规范》规定,为了保证电梯的安全运行,井道壁应具有下列的机械强度,即用一个300N的力,均匀分布在5cm2的圆形或方形面积上,垂直作用在井道壁的任一点上,应1)无永久变形;2)弹性变形不大于()。 ["5mm","10mm","15mm"]
不同的鱼容易受到不同细菌的污染,易污染淡水鱼的病菌是()。 ["梭菌科","肠杆菌科","肠球菌科","弧菌科"]
Which two statements are true about the Automatic Diagnostic Repository (ADR)?() [" The ADR base keeps all diagnostic information in binary format"," SQL*Plus provides the ADRI script, which can be used to work with ADR"," The ADR can be used for problem diagnosis only when the database is open"," The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null"," The ADR can be used for problem diagnosis even when the database instance is down"," The ADR base is shared across multiple instance"]
有无财务计划会有什么不同后果?
下列是《新巴塞尔协议》中的支柱内容。() ["最低资本要求","市场约束","外部监管","外部评级"]
领导作风理论以()为基本变量,把领导者在领导过程中表现出来的极端行为分为三种类型,即专制式的领导作风、()和放任自流的领导作风。