The damage to a vessel is over $25，000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible? （） ["The owner of the vessel","The Master of the vessel","The person in charge of the vessel at the time of casualty","Any one of the above"]
什么是定额水平？
双绞线、同轴电缆和光缆也属于媒体范畴。
多媒体技术中的“媒体”是指磁盘、磁带、光盘、半导体存储器等。
多媒体的集成性仅仅体现在多媒体信息方面的集成。
人民警察的敬礼规范有哪些？
