undeveloped soil 中文意思是什麼
undeveloped soil
解釋
未成熟土- undeveloped : adj. 不發達的，未發展的；（土地等）未開發的。
- soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
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The tide of expressway construction is now moving from the developed areas to the western undeveloped areas. in consideration of the completed expressways and future orientations, stability of suggrade will be a major issue in a period of time, particularly the stability of subgrade filled with soil and stone, in the practice of engineering, there exist unclear attitude towards the soil - stone mixtures
隨著我國交通基礎設施建設規模的不斷擴大，我國高速公路截至2002年末通車里程將達到20000公里，公路建設正由發達地區向西部欠發達地區發展，從已完成的高速公路以及今後的發展方向看，路基的穩定將是今後一個時期解決的主要問題，尤其是土石混填路基的穩定性問題。
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