And it is a long standing problem to simplify their strength calculation.
如何对其进行简化计算是一个由来已久的问题。
The financial information distortion is a historical and long-standing problem.
会计信息失真是一个历史性、长期性的问题。
The dispute of mountain forest ownership is long - standing problem in the forest construction.
山林权属争议（通常又称山林纠纷）是山区、林区工作中的突出问题。
The dispute of mountain forest ownership is long - standing problem in the forest construction.
山林权属争议（通常又称山林纠纷）是山区、林区工作中的突出问题。
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