睾丸大小正常，鞘膜腔内见无回声暗区包绕睾丸，应诊断为（）

男性，40岁。因脾脏大住院。超声检查：脾脏肿大，回声轻度减低，实质内探及多个圆形低回声及无回声结节，边界清楚。最可能的诊断是（）

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）（）

自然科学的四大门类即基础科学、农业科学、工程科学和医学科学。

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。

符号“PEN”表示保护零线和工作零线。第五章

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。