The research results reveal that comparative valve balanced movement characteristic can obtain using high order polynomial dynamic cam in high speed gasoline engine.
结果表明，采用高次多项式动力凸轮用于高速汽油机凸轮设计，能够获得相对平稳的气门运动特性。
HMO characteristic polynomial and select eigenvalues for many heterocyclic benzenoids are calculated by using chemical graph theory methods.
应用化学图论计算了杂环芳烃HMO的选择本征值和本征多项式。
While the discrete test run data of an aero-engine was adapted using the high order multi-parameters polynomial fit method, the steady characteristic curves were founded.
为此对某型航空发动机的离散试车数据点进行了多元高次多项式拟合，建立了该型号发动机的稳态特性曲线。
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