second win第二次获胜secondadj.第二的；次等的；再一个的num.第二n.片刻；秒adv.第二；其次v.支持；赞成；附和；调派second-order two-point boundary-value problems二阶两点边值问题second-class carriages/compartments/passengers二等车厢/隔间/车厢乘客Second-Order Curvature Compensation Bandgap Reference一种二阶曲率补偿带隙基准的研究Second-order nonlinear ordinary differential equation二阶非线性常微分方程Second-order coefficient-changed partial differential equations二阶变系数偏微分方程