| 1. | Descartes's solution of a depressed quarto equation employs the method of undetermined coefficients .
笛卡儿的分解四次方程的解法采用待定系数。 |
| 2. | Moreover equations of degree higher than quartic often arise in equilibrium calculations .
况且，在平衡计算中常常发生比四次方程还高的高次方程。 |
| 3. | As late as 1494, pacioli had asserted that the solution of general cubic equations was impossible .
直到1494年那么晚近的年月，Pacioli还宣称一般的三次方程是不可能解的。 |
| 4. | The method of descartes ' construction for 7 and 8 degree equations
八次方程的笛卡儿做图 |
| 5. | Variation principle of piezothermoelastic bodies , canonical equation and homogeneous equation
压电热弹性体的变分原理及正则方程和齐次方程 |
| 6. | As late as 1494 , pacioli had asserted that the solution of general cubic equations was impossible
直到1494年那么晚近的年月， pacioli还宣称一般的三次方程是不可能解的。 |
| 7. | Besides , the author also derived some new cubic equations , and some of them may be well perspective in application
作者还用同样方法得到了一些新的三次方程，其中有些可能具有较好的应用前景。 |
| 8. | Deng , li and liu extended the result to a more general class of k ( x ) , with the topology introduced in ( 0 . 3 ) , we prove the stability and asympototic stability of the steady states of ( 0 . 2 )
Deng ， li和liu把这个结果推广到一般的k ( x ) 。我们将证明非齐次方程平衡解的稳定性。 |
| 9. | The allocation of biomass to leaf and branch obviously decreased with increased age , and the same was true for root but with a slight decrease , while allocation to stem increased substantially with increased age
叶、枝、干生物量占总生物量比例与年龄拟合的效果较好，且最佳方程均为三次方程。 |
| 10. | In addition , the regression equations of permeate flux was developed to optimize the operating conditions . these equations could potentially be used to predict permeate flux in the pervaporation separation of water - ethanol mixture
利用实验数据分别对乙醇和水的渗透通量进行回归得到乙醇和水浓度的三次方程,可以根据该方程对渗透通量进行预测。 |
