three cubed

In terms of the connection of carbonyl index and degradable time, the kinetic equation is found by method of steady-state hypothesis during degradation of polymer, which is three cubed equations of linearity regress.

基于煤基PE降解过程中各影响条件下羰基指数与降解时间的关系，利用稳态假设法得到薄膜降解动力学方程，对其光降解机理及降解特性具有一定指导作用。

In this article, the measured profile is expressed by three cubed spline function, a precise mathematical model of evaluation is built and an approaching method for evaluating the profile error of the random plane curve is proposed.

采用三次样条函数拟合出被测物体的轮廓曲线，并建立了评定线轮廓度误差的精确数学模型，提出一种用逐次逼近思想来评定平面自由曲线的轮廓度误差的方法。

Tube Style Design of the Three Cubed Curve Liquid Liquid Hydrocyclones

三次曲线的液液水力旋流器管形设计

Three cubed is twenty-seven.

三的立方是二十七.

The result was as follows: ( 1) The year trend of cotton aphid intimidated by natural enemy is pictured with a three cubed polynomial.

研究结果认为：（1）天敌胁迫下的棉蚜的年趋势可以用一个三次多项式来拟合。