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The definition of the large range output regulation using the state feedback for the nonlinear system is given, and then the problem is discussed using the invariant manifold theory of the ordinary differential equation.

定义了非线性系统的状态反馈大范围输出调节，应用常微分方程的不变流形理论，给出了非线性系统状态反馈大范围输出调节问题可解的充要条件。

If there is a possibility of the existence of its inverse function, it will be easier to integrate the function by using its inverse function than by using normal integral way.

表面上看，这里边似乎有一定的规律性，实则需要大量的特殊灵活的技巧，显然，求一个积分往往不止一种方法。

Now by using Dai's exact solution formula and studying the asymptotical behavior controlcondition and using the series expression of the famous Riemann Zeta-function in number theory,after introducing and proving a new representation theory of inverse Laplace transformation wedirectly obtained Chen's solution formulae and their unique existence condition without usingLaplace transformation and〓 inverse formula.

本文从带消发散参数的严格解出发，通过研究渐近行为控制条件，利用数论中著名的Riemann-Zeta函数的级数表示，引入并证明一个逆Laplace变换的新的表示定理，直接导出了陈等发展的级数解，并得到了级数解的存在、唯一性条件。

In feedforward control, the hysteresis nonlinearity of the piezoceramic actuator is modeled using the Preisach model and a neural network architecture using input-output data mapping as the inverse function of Preisach model is utilized.

前向补偿控制器设计方面，先以布列谢希之数学模式来模式化压电陶瓷的磁滞特性，再由实测值求得模式内之参数值，并应用类神经网路结构取代Preisach数学模式的反涵数以作为前向控制器之用。

The multiples will be predicted with the spatial convolution between the original record and the initially estimated value of primary reflection or the seismic record itself. The multiples were scaled using the inverse of the surface operator obtained from the inversion by using the least-squares criterion.

首先通过原始记录与一次波的初始估计值的空间褶积预测多次波，再用最小能量准则反演求得的表层运算元的逆来标定多次波，最后从原始记录中将多次波消除。

The multiples will be predicted with the spatial convolution between the original record and the initially estimated value of primary reflection or the seismic record itself. The multiples were scaled using the inverse of the surface operator obtained from the inversion by using the least - squares criterion.

首先通过原始记录与一次波的初始估计值的空间褶积预测多次波，再用最小能量准则反演求得的表层算子的逆来标定多次波，最后从原始记录中将多次波消除。

And then, the direct boundary integral equation of convection-diffusion was obtained by using inverse transformation, which is a discrete by using constant elements.

然后，通过逆变换推导出对流扩散方程的直接边界积分方程和解的积分表达式，并采用常单元来离散边界积分方程，完成对流扩散方程的求解。

Objective To study the effect on the patients with cleft palatewhen using and not using iodoform gauze strip in cleft palate surgery.

目的 研究腭裂修复术松弛切口内填塞碘仿纱条与不填塞碘仿纱条对腭裂患者的影响。

The methods using iodoform gauze strip and not using iodoform gauze strip was of the same curative effect.

腭裂修复术后松弛切口内不填塞碘仿纱条与填塞碘仿纱条具有相同的疗效，并且简单方便，值得推广。

Methods 200patients with cleft palate in our hospital in recent5years were divided into two groups:one with102patients using iodoform gauze strip as experimental group and the other98not using iodˉoform gauze as control group.

选择我院近5年来的200名腭裂患者为研究为对象，分为两组，其中102例术后两侧松弛切口内放置碘仿纱条，为对照组；另外的98例松弛切口内不填塞碘仿纱条，为实验组。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。