secondmentn.暂借；借调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 infinitesimal neighborhood二级无穷小邻域second derivative spectrophotometric met二次导数分光光度法second order generalized control systems二阶广义控制系统second generation of machine translation第二代机器翻译second round of business-establishment二次创业second order incident boundary condition二阶入射边界条件Second party auditions generally include第二方审核通常包括second-rotation Chinese fir plantation第2代杉木人工林second order nonhomogenous Markov chains二重非齐次马氏链second order delay differential equation二阶时滞微分方程