Crack in concrete works is a widespread and intractable engineering practical problem.
混凝土工程裂缝问题是一个普遍存在而又难以解决的工程实际问题。
Crack problem in masonry structure is a pervasively existing but not readily soluble engineering practical problem.
砌体结构的裂缝问题是一个普遍存在而又难于解决的工程实际问题。
The computational result suggests this system can solve practical engineering problem rightly and efficiently and owns the biggish applied value.
计算结果表明，本系统能正确有效地解决实际的工程问题，具有较大的实用价值。
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