longitudinal vibration

基本解釋

The results show that longitudinal vibration of drill string is relative to rotary speed and weight on bit(WOB).
實驗結(jié)果表明，鉆柱的縱向振動主要與轉(zhuǎn)速和鉆壓有關(guān)。
Longitudinal vibration of pile with variable impedance(variable sections or modulus) in layered soil undergoing arbitrary load is theoretically investigated.
對成層土中變阻抗（變模量或變截面）樁在任意激振力作用下的縱向振動特性進行了研究。
Aiming at wire rope and skip in loading, movement differential equations of skip with different mass and longitudinal vibration differential equations of wire rope were proposed.
以礦井提升裝載過程中的箕斗和鋼絲繩為研究對象，建立了變質(zhì)量箕斗的運動微分方程及鋼絲繩的縱向振動微分方程。

縱向振動
Taking axisymmetric wave effect of soil into account,longitudinal vibration of pile with variable modulus undergoing vertical arbitrary load is theoretically investigated.
考慮土體軸對稱波動效應(yīng),對變模量樁在任意激振力作用下的縱向振動特性進行了研究。
交通運輸工程
縱向振動
The vibration issues, especially the longitudinal vibration, are not only related to the safe operation of bridge but also related to a successful rescue work after disaster.
作為交通樞紐及生命線工程的橋梁，其振動問題特別是橋梁的縱向振動不僅關(guān)系到橋梁的正常安全使用，而且關(guān)系到發(fā)生災(zāi)害后求援工作能否順利開展。
電子、通信與自動控制技術(shù)
縱振