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 difference transformation二阶差分变换second generation wavelet transformation第二代小波变换second generation of fluorescence probes第二代荧光探针second-order asymmetric transformation[化] 二级不对称转变; 二级不对称相转变second-order transient heat conduction二阶非定常热传导Second-Generation Supersonic Transport第二代超音速运输机second-order linear recursive sequence二阶线性递归序列Second order nonlinear elliptic equation二阶非线性椭圆型方程Second order nonlinear optical materials二阶非线性光学材料second order linear differential equation二阶线性微分方程