An upright vessel has negative GM. GM becomes positive at the angle of loll because the().
A. free surface effects are reduced due to pocketing
B. KG is reduced as the vessel seeks the angle of loll
C. effective beam is increased causing BM to increase
D. underwater volume of the hull is increased
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详细数据记录用于对设备工作状态、过程进行详细分析,可连续记录()小时。
A. 2
B. 8
C. 16
D. 24
()是进程内一个相对独立、可调度的执行单元,是系统进行调度的基本单位。
国家外汇管理局对外汇指定银行的结售汇综合头寸按照收付实现原则进行管理。
A. 正确
B. 错误