如今李·维斯先生将目光转向了更为复杂的德国方面，得出的结果却不太具有说服力。

Now Mr Lewis has turned to the more complex subject of Germany. The results are less persuasive.

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介绍了导出平均场加一般对力核多体问题粒子数守恒严格解的无穷维李代数方法。

By using an algebraic method related to su(3) Lie algebra, exact solutions of the eigenvalue problem of the reduced Hamiltonian are derived analytically.

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