second order section

常見例句

The temperature dependence of the Raman scattering cross section of first and second order Stokes and anti Stokes Raman processes was discussed theoretically.
從理論上討論了一階和二階斯托克斯與反斯托克斯拉曼散射截面的溫度依賴關系；
The spatial distribution of pores on cross section of lotus-type porous magnesium has been studied with second-order characteristics, nearest-neighbour distribution, etc.
采用統(tǒng)計分析方法，通過平面氣孔分布的二階特性、氣孔最鄰近距離分布等分析了藕狀多孔鎂橫截面上氣孔的分布，結果表明氣孔呈近程有序排列。
The zeroth the first-and the second-order analytic solutions are obtained for fully developed flow in circular pipes with narrow annular cross section using a perturbation method.
采用攝動法求解了窄環(huán)形截面圓孤管道內(nèi)的粘性流動。獲得了速度、壓力的零階、一階和二階的分析解表達式。