utility circle 中文意思是什麼
utility circle
解釋
利用范圍圈-
Therefore, the risk source of regional water system can be confirmed, the risk degree at varies planning year and the strategic planning flames can be carried out in the future and realize sustainable social a nd economic development and water resource sustainable utility. thus the study on regional water resource risk management has theoretic and practical value. taking the capital circle region as the case study, the paper systemically studies the theories and methods of regional water resource risk management based on concerned specialty knowledge, such as systems engineering, probability theory, water resources and hydrology, fuzzy mathematics and compute mathematics
本研究在繼承已有研究成果的基礎上，以首都圈（京、津地區）為例，綜合運用水資源工程、風險分析理論、系統工程、概率論、模糊數學、計算數學等相關專業知識，對區域水資源短缺風險管理的理論與方法進行了系統研究，本文特色在於對風險分析理論的系統化、實用化和理論聯系實際方面貢獻，主要研究內容涵蓋如下方面： （ 1 ）對水資源風險的定義進行了詳細闡述，建立了水資源系統可靠性和風險系統框架，構建並描述了水資源風險的性能指標，對水資源系統的風險屬性和風險特性等進行了分析。 -
At present, the lower rate of utility and longer circle of examination and approval have not only made supervision difficult, but also made it hard for criminals to return to society. the effect of traditional ideas and the malpractice of parole system itself are the main reasons
假釋適用率低、審批周期長，這樣增加了監管難度，不利於監獄工作的開展和犯人回歸社會，造成這種現狀的原因主要有傳統刑罰觀念的影響，以及假釋制度本身存在的固有弊端。
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