近年来

In recent years, the Internet has played a very important role on the development of deliberative democracy.

近年来，协商民主的发展，互联网功不可没。

Because the problem of the age very small of the criminalviolent delict and transgress for property etc.

未成年人犯罪原因分析近年来未成年人犯罪率居高不下，犯罪低龄化、暴力犯罪和财产性犯罪突出等问题，被法学家列为世界第三大公害。

The different molecular structure of PPV-like derivatives are proposed to be responsible for the improved deliquescence, the enhanced electron injection and improved performance in PPV-like light emitting diodes.

本文主要介绍了通过对PPV类衍生物的分子结构修饰可以大大提高材料的溶解性、可加工性、发光特性等，同时较详细地综述了近年来国内外PPV聚合物的研究进展、前景和存在问题。

The relationship between dematerialization and circular economy was discussed.

近年来，为了实现经济、社会和环境相协调发展，循环经济被有些国家提升为基本国策。

The development of supercritical fluid recystallization technology used in manipulating ultrafine explosives desired and SFE developed for demilitarization of energetic material and RESS technology used in coating of energetic material were reviewed.

过程原理的基础上，重点介绍了近年来超临界流体技术在含能材料细化。废弃炸药回收与利用。炸药包覆等方面所取得的研究进展。

In this paper, the characteristics of supercritical fluid and principle of supercritical fluid extraction, gas anti-solvent, rapid expand supercritical solution were introduced. The development of supercritical fluid recystallization technology used in manipulating ultrafine explosives desired and SFE developed for demilitarization of energetic material and RESS technology used in coating of energetic material were reviewed.

摘 要：在阐述了超临界流体的性质和超临界萃取(Supercritical Fluid Extraction， SFE)、超临界流体溶液快速膨胀结晶（Rapid Expand Supercritical Solution， RESS）和气体反溶剂结晶（Gas Anti-solvent， GAS）过程原理的基础上，重点介绍了近年来超临界流体技术在含能材料细化，废弃炸药回收与利用，炸药包覆等方面所取得的研究进展。

Using different algorithms to modulate and demodulate different signals on common hardware platform is the core idea of software radio.

0引言随着通信技术的飞速发展，采用通用硬件平台，利用软件实现不同功能的软件无线电技术，近年来取得了引人注目的发展。

In recent years, the phenomenon of missing girls has become one of the hot topics of demographic research fields.

近年来，中国的"丢失女孩"问题一直是人口研究领域的热点问题之一。

Recently, with the development of market economy and the construction of political democracy, the issue of human right s has been increasingly concerned, among which the freedom of migration has become one of the hottest one in law studies, politics, sociology and demology.

近年来，随着我国经济市场化、政治民主化进程的不断推进，人权特别是具体的人权问题已经被越来越多的人所关注。

In recent years, with the development of modern science and technology, people have put forward a great many new neutral difference equations in natural science and social science as biology, economics, demology, physics and control theory, etc.

近年来，随着科学技术的发展，在自然科学与社会科学的许多学科中，如生物学、经济学、人口学、物理学以及控制论等，人们不断提出大量新的中立型差分方程。

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。