设a=2，b=3，c=4，d=5，下列表达式的值是（ ）。 3>2*b Or a=c And bc Or ba+c

设t=2，b=3，c=4，d=5，则下面语句输出的是（ ）。 Print3>2*b Or a=c And bc Or c>d

翻译：With Average or With Particular Average（WA or WPA）（）

净度检验中，可进行全试样分析，也可进行两份半试样分析，这里两份半试样就是2．5试样的意思。

气体与液体试样可以直接用于工业分析，而固体试样常要经过（）等加工处理才能进行分析。

可以在（）阶段采用Make-or-buy决策分析。

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。

定工业用纯碱中Na2CO3的含量时，称取0.2648g试样，用0.1970mol.l-1的HCl标准溶液滴定，终点时用去HCl标准溶液24.45ml，求纯碱中Na2CO3的百分含量.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。