无线局域网是计算机网络与无线通信技术相结合的产物，无线局域网的IEEE802．11系列标准中，______标准是应用最广泛的。

无线局域网是计算机网络与无线通信技术相结合的产物，无线局域网的IEEE 802.11系列标准中，(61)标准是应用最广泛的。在无线局域网的主要工作过程中，用于建立无线访问点和无线工作站之间的映射关系的过程是(62)。(61)

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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

局域网一般都采用（）交换技术，也广泛采用（）交换技术，但用（）交换技术。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。