颌面外伤后应及早做好无菌包扎，并在初期外科处理前经常更换敷料，检视伤口()

表皮擦伤面积较小者，一般不必用敷料覆盖伤口。

患者江某，右下肢外伤后，未得到正确的处理，而导致破伤风，为其伤口换药后的敷料处理方法是（）

核医学相关知识中，“用放射性核素诊断、治疗疾病和进行医学研究的医学学科”属于（）

系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。

Shutdown price（or point，or rule） 停业价格（或停业点、停业原则）

翻译：With Average or With Particular Average（WA or WPA）（）

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。