permanent dominant 中文意思是什麼
permanent dominant
解釋
穩定優勢種-
Field observations and measurements and relevant statistics show that the ne - nee and nnw constitute the first and second dominant trends of the discontinuities of the rock mass in the area of the permanent shiplock in the threee - gorge project. of all the discontinuities, the steep dip takes the absolute lion ' s share
1 、通過現場觀測及統計分析表明,三峽永久船閘區巖體結構面第一優勢走向為ne - nee ,第二優勢走向為nnw ,所有結構面中,陡傾角占絕對優勢。
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