A seaman is reported missing in the morning and was last seen after coming off the mid-watch. Which type of turn would you use to return to the trackline steamed during the night?（） ["Williamson","Racetrack","180°turn","Anderso"]
为了防止重要的文件被轻易窃取，WinRAR通过（）操作来保护文件 ["快速压缩","设置密码","分卷压缩","解压到指定文件夹"]
通过库存成本分析球的在库存总成本为最小时的每次订购批量，用以解决独立需求物品的库存管理问题，是采取（）。
船舶日常防火是三副的责任。
负责审核、批准“火灾控制计划”的是大副或船长。
对物流实施后的结果与初始计划的物流目标进行比较对照和分析称为（）。
