研究了非局部场论中尚未完全解决的两个基本问题。
Two basic problems unsolved completely in the nonlocal field theory are Studied.
游戏分类问题，是继续研究中的基本问题，至今尚未完全解决。
The problem of classifying games, basic to further research, has not been completely solved.
而粉体物料的结块问题是一个粉体力学至今尚未完全解决的难题。
However, the problem of the powder caking is not completely solved until now.
而粉体物料的结块问题是一个粉体力学至今尚未完全解决的难题。
However, the problem of the powder caking is not completely solved until now.
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