下列属于企业外部环境因素的是()。 ["公司盈利","公司产品品牌权益","年轻人口增长量","公司营销能力"]
银行结算业务中使用的票据包括()。 ["个人结算凭证","支票","本票","汇票","单位结算凭证"]
If a four-stroke/cycle diesel engine is started by injecting air into the cylinder, the pistons receiving the charge of starting air must be() ["on the power stroke","on the exhaust stroke","at the end of the power stroke","at the start of the intake stroke"]
下列哪几种情况需填用《二次设备及回路工作安全技术措施单》() ["电流互感器二次短路接地线的接入与拆除","电压互感器二次端子接线的接入与拆除","使用钳形电流表测量电流互感器二次电流值","直流线、电流线、电压线、联锁跳线、信号线的拆、接以及改线"]
短信签约适用于什么样的客户() ["资产指数、时点AUM均要达标","资产指数、时点AUM均不达标","资产指数、时点AUM只要有一项达标"]
什么是发电机的频率特性?