河海大学是一所以水利为特色的全国重点大学。请问，河海大学的前身“华东水利学院”是于哪一年由南京大学、同济大学、交通大学、浙江大学、华东水利专科学校的水利系科合并而成？（）

标高传递测量采用钢尺丈量或全站仪测距法，每次至少传递（）个点，并相互校对。

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。

华北水利水电大学（花园校区）位于（）。

按测距精度分，光电测距仪分三级。二级光电测距仪测距精度应为（）毫米。

全站仪测距的加常数，乘常数以及测距综合精度用何种方法测定？（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。