变压器各侧线圈的电压比和它们的线圈匝数比（）。 ["相等","成正比","成反比"]
下列说法错误的一项有（） ["垄断市场的供应量比完全竞争市场高","垄断造成巨大的福利损失","垄断产生规模经济","垄断必须以法律形式予以禁止"]
Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12? （） [" SELECT ename, salary*12 'Annual Salary' FROM employees;"," SELECT ename, salary*12 "Annual Salary" FROM employees;"," SELECT ename, salary*12 AS Annual Salary FROM employees;"," SELECT ename, salary*12 AS INITCAP("ANNUAL SALARY") FROM employee"]
对较大规模的网络进行安全等级要求较高的子网划分，采用的技术主要有VLAN和（） ["ipsecvpn","SSLVPN","SSHVPN","MPLSVPN"]
设计单位同建设单位为委托和被委托的（）关系。 ["合同","平行","领导和被领导","无关"]
初创期的小型家族企业管理具有哪些主要特征？
