近年来

The mechanical properties of potassium titanate whiskers-maleic anhydride grafted ethylene-propylene diene monomer nylon66 composites were investigated.

近年来 ，钛酸钾晶须在尼龙中的应用得到了较多关注[1～ 5] 。

This paper intends to summarize the dietotherapy function, nutritional value of chicken soup.

现将近年来鸡汤食疗功能作一概述。

Differential difference equation is a kind of powerful means to investigate the rule of natural phenomena, whose qualitative analysis has always been the hot spot subject to be studied in the recent years.

微分差分方程是用来描绘自然现象变化规律的一种有力工具，其定性分析一直是近年来研究的热点问题。

Differential equations and difference equations are powerful tools that describe the law of nature, but it is difficult to find their general solutions. Therefore , there has been an increasing interest in the study of the nature of solutions of differential equation and difference equation in theory.

微分方程及差分方程是用来描述自然现象变化规律的一种有力工具，由于寻求其通解十分困难，故从理论上探讨解的性态一直是近年来研究的热点问题。

In these years,some re-search works have began to consider the discrete Integrable equations,i.e.replace thepartial differential operator by the difference operator.

近年来，随着经典可积系统理论的不断完善，可积系统方面的研究逐渐开始转向离散可积系统，即用差分算子代替微分算子来构造可积系统，目前该方向的研究正在蓬勃发展。

In recent years, due to nutrition, health requirements, the use of refined salt, salt processing in the process of adding a small amount of potassium iodide and other nutrients, and therefore there will be a "qualified" and "unqualified," the difference between table salt.

近年来，由于营养卫生的要求，在使用原盐加工为精制盐的过程中，添加了少量碘化钾（ KI 等营养物质，因而就有了"合格"与"不合格"食盐的区别。

In recent years, some new research methods such as mordern geometric method and differential algebra method have been applied to the study of control theory according to the development of nonlinear science, and it is possible for us to solve complicated enginering systems with the development of computer science, which promotes the investigation of complicated control systems.

近年来，非线性科学的发展，特别是现代微分几何，微分代数理论的出现，为非线性控制理论的研究提供了新的工具。

In recent years, many partial differential equation problems are also appeared in life science and economics.

近年来，在生命科学、经济学中也出现了大量的偏微分方程问题。

In this paper we review some recent progress on the nucleation of zeros and the structure of the nodal sets of the complex-valued solutions of Ginzburg-Landau system for superconductivity and of more general partial differential equations with magnetic Schrodinger operator.

本文考察了近年来对超导的Ginzburg-Landau方程复值解的零点的产生与零点集的结构的研究进展，也考察了含有磁Schrodinger算子的更一般的偏微分方程的相关问题。

Based on the theory of the dynamical system and differential topology, the differential topological characterizations of the DSR are proved in this paper.

近年来针对传统方法的不足而提出的"域"的方法，突破了"逐点法"的局限性，它作为一个全新的方法论正逐渐被人们所接受和重视。

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。