適暗層的 的英文怎麼說
中文拼音 [shìàncéngde]
適暗層的
英文
stygophilous-
Since the shallow depth excavation is the main factor to cause ground settlement in shenzhen subway tunnel, this paper discusses some corresponding countermeasures including the improvement of ground property, appropriate draining of groundwater, scheduled excavation depth and width, etc, to control strata distortion and surface settlement, and argues that these measures are expected to effectively control surface settlement while constructing city subway in soft ground excavation
摘要針對深圳地鐵淺埋暗挖隧道施工中影響地表下降及地層變形的因素,提出了遵循「十八字」原則、改善土體特性、適度排放地下水、根據地層條件選擇施工方法、增大左右線隧道開挖面的距離、合理確定開挖進尺、提高施工效率、加強初期支護、及時施作二次襯砌等對策。The external symmetry i. e. universality of geographical laws in urban sense is found to relate to the internal symmetry : the more symmetric a model is, the more universal the corresponding law is, and vice versa
研究發現,城市地理系統在宏觀層面具有對稱性質,這意味著普適性地理規律的存在;微觀層面對稱破缺,這暗示城市地理系統模型的參數具有時空變異性質。
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