一阶

The forced oscillators have been investigated with the use of the conjugated arithmetic operators and the matrix of the normal form theory.

第三章将非线性系统转换为一个四维的一阶系统，再进行非线性变换，将规范形理论中的共轭算子法和矩阵表示法联合一起应用，研究了强迫振动问题。

The algorithm uses a Markov process, making use of a large number of normal data transfer training probability matrix to construct the normal data behaviour profile, and it raises the efficiency of detection by the choice of detection window or setting a certain threshold.

该算法采用了一阶马尔科夫过程，利用大量正常数据训练概率转移矩阵，构造正常数据的轮廓，并通过对检测窗口和阈值的选择提高检测效率。

First derivative combined with standard normal variate was used to pretreat spectra, and calibration model for ginsenosides had been built by partial least squares regression method.

标准正则变换结合一阶导数对光谱进行预处理后，采用偏最小二乘回归算法建立在线测量总皂苷浓度的近红外光谱校正模型。

The artificial neural network models of original spectrum and two pretreated spectra (firstderivative and standard normal variate, respectively) of osthol and imperatorin were established.

分别利用萃取物的原始光谱和两种预处理光谱建立了网络的数学校正模型，并把所得结果进行了比较，确定用一阶导数光谱所建立的模型为最佳网络模型。

The NIRS quantitative analysis model was developed for measuring MBM content in fish meal by using partial least squares. The initial spectrum was pretreated by standard normalized variate, 7 point smoothind and one derivative respectively.

应用偏最小二乘定标方法，在8 678.10~4 250.34cm^(-1)波数范围内，采用变量标准化、7点平滑和一阶导数对光谱进行预处理，建立了鱼粉中肉骨粉含量的NIRS定量分析模型。

The motion of plunger of oleo damper excited by colored Gaussian noise with exponential correlation time is governed by first order nonlinear differential equation.

摘要油液阻尼器受指数型高斯色噪声外激励时，活塞在油腔内的运动可用一阶非线性动力学方程描述。

We show that this class is within the scope of one-level threshold secret sharing schemes.

我们 证明了这个类中的单调存取结构是可以被一阶门槛式秘密分享机制所实现。

And the expression of its subdifferential is developed in the case that the effective domain of the optimal value function is a non-empty convex set.

最后利用方向导数和次微分导出了广义半无限极大极小规划的一个一阶最优性条件及其等价形式。

After probable damage location through MSECR, the method based on the sensitivity of orthogonality conditions gives good predictions of damage. This method overcomes the natural defect of the concept first order approximation of the ordinary sensitivity analysis method.

为克服灵敏度分析法一阶近似的本质缺陷，基于正交条件灵敏度分析法，利用MSECR对结构的损伤进行粗略定位后，给出了准确的识别结果，但这种方法的缺点是需要完备的实测振型。

The flow field around Taylor bubbles rising through stagnant liquids in vertical tubes is considered as potential flow, and the first order approximation of the control equation of gas-liquid interface and the rising velocity of Taylor bubbles are obtained.

应用势流理论分析了垂直管滞止液体中Taylor气泡周围的流场，得到了气液界面的控制方程和Taylor气泡上升速度的一阶近似结果。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。