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.在對齒輪嚙合過程中摩擦因數(shù)分析的基礎(chǔ)上，對外嚙合齒輪摩擦功耗進(jìn)行了分析計(jì)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.由于齒輪副嚙合剛度的影響，動(dòng)力學(xué)方程式代表了一個(gè)具有時(shí)變系數(shù)的線性動(dòng)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.采用微分求積法對方程中的空間變量進(jìn)行離散，得到僅含有時(shí)間變量的三階周期系數(shù)微分方程組。 返回 time-varying coefficient