1·Second order. There are two species here.
第二级，有两种物质。
2·The reaction of HMG with glycine is a second order reaction.
HMG 与甘氨酸的反应是二级反应。
3·The Lagrangian formulation of the critical dynamics is recovered in the second order approximation of fluctuations in the closed time path continuous integral.
在闭路连续积分中取涨落二级近似，得到临界动力学的拉氏场论表述。
4·An approach of drawing of intellectual faculties for second order structure of RNA molecule is introduced.
本文介绍一种在微型计算机上实现的核糖核酸(RNA)分子二级结构智能绘图的方法。
5·METHODS:A second order medicine inventory model was built to realize medicine classifying management and drug demand forecasting, and replenishment quantities was computed using inventory model.
方法：建立药品二级库存储模式，实行药品分类管理，预测药品的需求，运用库存模型定量计算补货批量。