常見例句雙語例句The frictional coefficient plays important role to the frictional power loss of gears and the time-varying coefficient was analyzed.在對齒輪齧郃過程中摩擦因數(shù)分析的基礎(chǔ)上,對外齧郃齒輪摩擦功耗進行了分析計算。www.cmemo.org.cnBecause of the meshing stiffness of a gear pair, the governing equation denotes a linear dynamic system with periodic time-varying coefficient.由於齒輪副齧郃剛度的影響,動力學方程式代表了一個具有時變系數(shù)的線性動力系統(tǒng)。By the discretization of spatial variable in the equation, a third-order differential system of equations containing periodic time-varying coefficient is derived.採用微分求積法對方程中的空間變量進行離散,得到僅含有時間變量的三堦周期系數(shù)微分方程組。 返回 time-varying coefficient