By default what is the interval for synchronization of the wallet with the IMS Server?() ["once a day","once a week","every minute","every 30 minute"]
创业团队就是“精英团队”,是强者的结合。
按GB7588-2003《电梯制造与安装安全规范》规定,轿厢内部的净高度至少为()。 ["1.8","2.0","2.1","2.2"]
EDI整流器间歇式出现故障是因为() ["坏了","电压不稳","内部温度过高","外部温度太低体积单位"]
创建新企业融资比较难,经济效益也不稳定,难以吸引人才。
教学中事实性知识的原则要求是()。