试述全能比赛中的径赛、田赛与单项比赛裁判方法异同？

裁判员的一项重要工作是（）。

田径竞赛规则对裁判长的职责作了那些规定？

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.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

裁判在哪种情况下开始读秒？（）

发界外球时，一名对方队员站在边线处进行阻挡，裁判员应（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。