常見例句雙語例句Several forced oscillation criteria are established for such systems subject to two different boundary conditions.建立了這類系統(tǒng)在兩類不同邊界條件下強迫振動的若干判別準(zhǔn)則。The bifurcation and chaotic process of two-dimensional parallel wall shear flows are described by the forced oscillation equation containing a square nonlinear term.二維平行壁面剪切流動進入混沌的現(xiàn)象可用含二次非線性項的強迫振動方程來描述。Variations of propylene conversion, acrolein selectivity and yield were investigated experimentally by various forced oscillation patterns and compared with the results of steady-state operation.實驗考察了在不同強制振蕩周期與振幅下的丙烯轉(zhuǎn)化率和丙烯醛選擇性及收率的變化，并與穩(wěn)態(tài)反應(yīng)條件下的結(jié)果作了比較。 返回 forced oscillation