順行退化 的英文怎麼說
中文拼音 [shùnhángtuìhuà]
順行退化
英文
progressive reduction- 順 : Ⅰ介詞1 （向著同一個方向） in the same direction as; with 2 （依著自然情勢; 沿著） along; in the d...
- 行 : 行Ⅰ名詞1 （行列） line; row 2 （排行） seniority among brothers and sisters:你行幾? 我行三。where...
- 退 : 動詞1 （向後移動） retreat; draw back; move back 2 （使向後移動） cause to move back; remove; wit...
- 順行 : [天文學] prograde motion; direct motion
- 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
-
In order to quicken the industry ' s development, above all is to reform the administrative system, it is necessary to adjust the direction next, the freight forwarding should follow a path of " grasping the big, and releasing the small. " in answer to the guideline set by chinese central government in rejuvenating soes, large freight forwarders will have to go for scale operation and cultivate an extensive service network so as to gain a firm foothold in the position of tpl suppliers. on the other hand, competition does not mean a dead end for the small and medium - sized freight forwarders
有鑒於此，木文從減少市場壁壘、降低交易成本、拓寬市場空間的角度，具體闡述了加入w后加快發展的應對之策，包括政府要放寬市場準入政策，讓國有經濟從該行業適當退出或減少比重，貫徹「抓人放小」原則，理順管理體制；按照「推動規模經伏，開展令業服務，培育；叫絡扶迸，進軍現代物流」的本向理清貨代企業的發展思路，並針對中悶貨代業的現狀，對規模化利網路化經營及發展現代物流的思路和模式進行j喀。First, based on comprehension analysis of the present study status on optimizing method to displacement back analysis in underground engineering home and abroad, intelligent optimizing method, which fits the features of underground engineering, has been developed by introducing annealing algorithm and genetic algorithm and improving them. second, according to practical features of nonlinear displacement for underground engineering, the mechanical model on back analysis to initial ground stress and mechanical parameters of surrounding rock mass in underground engineering is established, which is based on the measuring results of displacement of convergence in underground holes. while, by introducing finite element method and combining improved annealing algorithm and improved genetic - annealing algorithm, the theory and method of elastic - plastic displacement back analysis to surrounding rock in underground engineering has been founded
首先，本文在綜合分析國內外地下工程優化位移反分析方法研究現狀的基礎上，引進模擬退火與遺傳演算法，並對其進行改進，建立了適合於地下工程問題特點的智能優化演算法;其次，根據地下工程非線性特點，基於地下工程洞周收斂位移量測結果，建立了用於地下工程初始地應力與圍巖力學參數反演分析的力學模型，並引進有限元分析手段，結合改進模擬退火演算法與改進遺傳-模擬退火演算法，分別建立了基於這兩種智能優化演算法的地下工程圍巖彈塑性位移反分析理論與方法，並開發了相應的分析計算程序，為地下工程圍巖穩定性與開挖順序優化分析奠定了基礎;然後，在上述基礎上，根據地下工程開挖施工順序優化設計的特點，建立了基於圍巖塑性區面積的地下工程開挖施工順序優化分析模型，基於改進模擬退火演算法與改進遺傳-模擬退火演算法建立了地下工程開挖施工順序優化分析方法，並開發了相應的分析計算程序;最後，將上述分析計算程序用於工程實例分析，探討了其應用方法，證明了該文研究成果的合理性和可靠性。
分享友人