This is a normal vector of the same length as n, well, up to sign.
这是与N长度相同的法向量，只是符号不定。
The U. N. refugee agency has warned any blanket return may violate international law and warns there is little sign of any let up in Syrian and Iraqi refugees planning to cross the Aegean.
联合国难民署警告说，任何将难民一律遣返的做法都可能会违反国际法，并警告说，计划穿越爱琴海的叙利亚和伊拉克难民并没有减少的迹象。
The U. N. refugee agency has warned any blanket return may violate international law and warns there is little sign of any let up in Syrian and Iraqi refugees planning to cross the Aegean.
联合国难民署警告说，任何将难民一律遣返的做法都可能会违反国际法，并警告说，计划穿越爱琴海的叙利亚和伊拉克难民并没有减少的迹象。
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