具有()特征的蝇类为大头金蝇 ["A、体中型,灰黑色","B、腹部正中有黑色纵条","C、复眼深红色,颊为橙色","D、第4纵脉末端呈弧型弯曲"]
接受政府计量行政部门授权的计量检定机构可以执行下列任务:() ["A、计量监督检查","B、现场处罚","C、强制检定","D、有关的检定、测试任务"]
典型的无线接入系统可以处理高达()dB的路径损耗 ["100,","200,","150,","50."]
客户申请开立哪些银行结算账户需经人民银行核准?
路径损耗步长因子在()左右通常可以产生接近最大的上行系统容量而不会对可达到的小区边缘数据速率产生明显损耗 ["0.7-0.8,","0.6-0.7,","0.5-0.6,","0.8-0.9."]
存款人在哪种情况可申请开立个人银行结算账户?