But, it seems equally clear that this necessary condition (call it the neutralitycondition) is not sufficient.
但是，同样显然的是，这个必要条件也是不充分的。
2
In ionic solutions, the condition of electrical neutrality provides such an additional relation too.
在离子溶液中，电中性条件亦提供了这种附加关系式。
3
After the break of the war, he tried to defend the neutrality principle firmly, and mediate the conflict to resume peace on condition that the U. S. should not be involved in the war.