rail bed 中文意思是什麼
rail bed
解釋
鋼軌底座-
Construction of monolithic track bed for urban elevated rail
城市高架軌道整體道床施工 -
The essential cause that induces subway vibration is the inter action between the train ’ s wheels and rail. through the sleeper, ballast bed, roadbed and soil layer, the vibration spread to far place
地鐵振動產生的根本原因是由於輪軌的相互作用，再通過軌枕、道床、路基和土層依次向遠處傳播。 -
Mechanical construction and new technology in installation of numerically - controlled machine tool were introduced, especially the technical characteristics of spreading model of guide rail and pasting model of guide rail, connection between lathe bed and guide rail, as well as lubrication of principal axis
摘要介紹了數控機床在機械結構、安裝工藝上的新技術，著重於塗塑導軌、貼塑導軌的工藝製作特點，床身和導軌的連接以及主軸潤滑等的新技術。 -
But there has been no track spectrum that can reflect the real condition of chinese rail for a long time. many organizations have put forward some conclusions of track spectrum, but there is no unite conclusion at present in china. power calculation of locomotive and experiment on the rolling and vibration test - bed have to adopt foreign track spectrum
但長期以來沒有能反映我國實際軌道狀況的軌道譜，雖然國內很多機構都已提出一些軌道譜的結論，但尚沒有統一性的結論提出，機車車輛動力學計算和滾動振動試驗臺試驗均只有採用國外軌道譜。 -
Construction method for the bearing block type monolithic track bed of wuhan light rail
城市高架輕軌支承塊承軌臺式整體道床施工工法 -
It was a picture of a young woman in a long white gown, standing on the rail of a bridge all ready to jump off, with her hair all down her back, and looking up to the moon, with the tears running down her face, and she had two arms folded across her breast, and two arms stretched out in front, and two more reaching up towards the moon - and the idea was to see which pair would look best, and then scratch out all the other arms ; but, as i was saying, she died before she got her mind made up, and now they kept this picture over the head of the bed in her room, and every time her birthday come they hung flowers on it
畫上是一位年輕的姑娘，身穿一件白色長袍，站在一處橋頭欄桿上，已經準備好，要縱身一躍。她秀發披肩，仰望明月，淚流滿面。她雙臂抱在胸前，另有雙臂朝前張開，又另有雙臂伸向明月原意是想要看一看，哪兩個雙臂畫得更好些，定了以後，便把其餘的給抹掉。 -
Second, the random variables in reliability analysis of the steel rail are discussed. these random variables include the wheel load, the stiffness of the rubber pad and the bed, the temperature stress and the fatigue ultimate strength of the steel rail. and their probability distributions and parameters are discussed thoroughly
其次，對鋼軌可靠度分析中涉及的隨機變量如輪載力、軌下膠墊剛度、道床路基聯合剛度、溫度應力及鋼軌疲勞極限強度的概率分佈類型和統計特徵進行了詳細討論。 -
Testing the vibration acceleration signal of rail top ( lateral and vertical ), rail middle ( lateral ), rail bed side ( vertical ) and rail bed middle ( vertical ) with dasp vibration testing system, calculation of signals obtains the power spectral density and frequency response curves of different position
測試橫向和垂向激振力下鋼軌不同部位的振動信號，進行頻譜分析，得出不同部位的頻率響應曲線。通過對頻響曲線的分析，得出不同方向激振力下鋼軌振動能量集中的頻率，確定不同方向激振力下鋼軌的主要振動部位和振動形式。
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