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有些工程问题,由于条件表述的隐蔽、复杂,使条件之间、条件与问题之间难以存在内在的必然的联系,凭借现有条件去解答是行不通的。但是,
For some engineering problems, it is not feasible to solve the problem by existing conditions due to the covert and complicated expression of the conditions and the difficulty of the inherent inevitable connection between the conditions, the conditions and the problems. but,