船舶、航空器和机动车等物权的设立、变更、转让和消灭,未经登记,不得对抗第三人。
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调查人员亲自到现场,对调查对象进行清点和计量,以取得统计资料的调查方法是()。
A. 直接观察法
B. 报告法
C. 采访法
D. 观察法
You are a watch standing mate and have come to the bridge to relieve the watch while underway at sea.The watch should not be transferred().
A. During an engine speed change
B. During a navigational course change
C. Unless the helm is in the“hand”mode
D. All of the above