line crawl 中文意思是什麼

line crawl 解釋
爬行, 行蠕動, 線滑降
  • line : n 1 線；繩索；釣絲；測深度用繩，捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • crawl : vi 1 爬；爬行；（車輛、病人等）慢吞吞地行進；（時間）慢慢過去；偷偷地溜走；爬來爬去。2 巴結。3 （...
  1. And it is all right to draw a line down the middle of the room, but when he wants to crawl under the covers with you because he s scared, i hope you ll let him

    我希望你能和你弟弟共一間臥室-即使你在臥室中間劃一條分界線也沒關系。可是，當弟弟因為害怕而要爬進你的被窩時，我希望你會接納他。
  2. By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated

    根據我國干線鐵路軌道譜，採用三角級數法模擬出干線鐵路和準高速鐵路軌道不平順的樣本函數；根據秦沈客運專線高速試驗段軌檢車資料，採用arma時間序列模型模擬了高速鐵路軌道不平順隨機樣本函數；在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波；用隨機變量描述道床橫向剛度，並進行了隨機模擬；將振動理論和穩定理論結合建立系統的分析模型和運動方程；根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序，進行了無縫線路隨機動力響應分析，通過試驗對計算模型、計算方法進行了驗證。
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