The oil film forces under free boundary conditions are solved by finite element discrete variational inequalities and iterative method based on complementary principle in linear programming.
利用有限元离散变分不等原理和基于线性规划余原理的迭代方法，求解自由边值条件下的油膜力。
Cooperation, although it is hardly the only law of life, has long been a complementary principle of community and civic living.
合作虽然很难成为人生的唯一法则，但长期以来曾是社团生活和公民生活的补充原则。
Cooperation, although it is hardly the only law of life, has long been a complementary principle of community and civic living.
合作虽然很难成为人生的唯一法则，但长期以来曾是社团生活和公民生活的补充原则。
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