非均质体矿物垂直光轴切面在正交镜间为（），而其他方向的切面则会出现（）现象。

非均质宝石为（）

考试开始（）分钟后，考生不能进入考场参加考试，按缺考处理。

我国反假货币“三师队伍”是指货币识别师、货币鉴别师）和货币鉴定师。

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。

（ ）负责拟定二级建造师职业资格考试大纲，（ ）负责审定考试大纲。

鉴定考试时，考生须凭准考证和（）方可进入考场。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

自然光进入非均质体单晶宝石后：（）.