查询词典 cubic

How to resolve a cubic equation?

如何解三次方程？

This paper takes Daqing City of Northeastern China s Heilongjiang Province as an example,and introduces the way of gaining land cover information based on the TM image.Then the cubic equation is established to describe the dynamic situation of account of land use.

该文以大庆市为实例，介绍了以TM卫星影像数据为数据源，提取土地覆盖信息的方法，并以此为基础建立以时间为自变量的三次方程，来描述土地利用类型的数量的动态情况。

This paper discusses the method of hypothesis testing on equation parameters,and the way of getting new equations to explain the speed, cceleration and jerk through calculating the differential coefficient of cubic equation.

该文还介绍了方程参数显著性检验的方法，并通过对方程进行多次求导，得到新的方程，来描述研究期间土地利用类型面积的变化速度、加速度以及加加速度。

Second, the van der Waals type cubic equation of state was used to calculate the critical pressure of the binary systems. By introducing the temperature and acentric factor into the mixing rule of attractive part of the equation of state, a new expression was set up.

对实验数据和文献数据的计算结果令人满意，并按照无约束条件最优化得到了相互作用参数表达式的系数值，更加说明本文建立的相互作用参数表达式是正确的和有一定理论基础的。

On the basis of the calculation of phase equilibrium of multicomponent mixture,in this paper,the main equilibrium properties of an optimum gas mixture are calculated using the cubic equation of state ,including P-V-T parameters,enthalpy and entropy.

在基于多元混合物工质气液相平衡计算的基础上，介绍了利用立方型状态方程计算多元混合物节流制冷工质的压力，比热容、温度、焓和熵等平衡物性的方法。

By the cubic equation fitting based on the data detected in measurement system as math model, the compensation program is compiled to carry out distortion correction in experiment program.

以检测装置测量拟合得到的三次补偿方程作为畸变校正的数学模型编写了测量校正程序，对光电测量系统进行了实验检测。

The y equation is essentially cubic, and it quantitatively shows the highly nonlinear nature of the digitization process.

可以获得"错乱"的映射——也就是说，不是一个真正的反映，或假的——从电路通过反转位顺序读出器，归一化图形上直线曲线的版本，所以曲线方程结果为：y=1.6243×(x–0.1427)3.1508。

The diversity and evenness are low when the MQCIs are less than 15% and greater than 45%, and reach to high when MQCI in the middle of 15% and 45%. The relationship between MQCI and richness index can be best presented by a cubic equation, and no apparent trend can be found when MQCI is greater than 20%.

多样性和均匀性指数与草甸质量盖度指数之间关系的可以分别用二次方程式进行描述，当高寒草甸的草地质量指数在15%以下时，多样性和均匀性指数均较低，介于15%～45%之间时两者都很高，大于45%后，有下降的趋势；物种丰富度与草甸质量盖度指数之间的关系可用三次方程式进行描述。

The coercivity follows the cubic equation with the content of carbon nanotube. Based on the classical hysteresis theory, a new inclusion theory with the cylinder morphology is developed, combined with stress theory the expression of coercivity is given.

基于传统的磁滞机理，发展了具有圆柱形状杂质的含杂理论，结合应力理论，给出了复合材料的矫顽力的表达式，不同体积含量的碳纳米管的复合材料的磁滞机理由含杂理论和应力理论协同控制。

This work presents a viscosity model based on Peng-Robinson cubic equation of state for a better description of viscosity. A viscosity model has been developed based on the similarity between PVTand TμP relationship and the PR EOS.

本文基于P-V-T-与T-μ-P关系的相似性，结合Peng-Robinson立方型状态方程，建立了一个预测纯烷烃气液相粘度的统一模型。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"