一般认为我国湿润多雨的南方地区，土壤盐基饱和度较小，土壤Ph也较低

土壤中微生物的数量及分布受（）、（）和（）的影响。

基于中国土壤系统分类制的中国土壤分布，我国（）分布区是我国农业精华地区和主要林区。

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。

弱淋溶土分布区，气候类型多样，而且过渡性地带多，表现出季节性的干旱，具有半湿润和半干旱的气候特征。

土方按挖掘的难易程度分类，通常Ⅱ类土指（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。