海底的结构是由()所主导的。
A position obtained by applying ONLY your vessel’s course and speed to a known position is a (). ["fix","dead-reckoning position","running fix","probable positio"]
针对企业财务主管,可推荐的T+企管通的应用卖点包括() ["实时成本","远程异地仓库查看","接单毛利预估","往来资金预测"]
海底沉积物可以分为两种类型:()和()。
变电站在执行倒闸操作、设备投切等任务时,控制室应有()或以上人员监督。 ["值长","正值","副值","学员"]
模式化的大陆边缘通常由三部分组成:()、()和()。