近年来

In recent years, coating is the most important and economical method of all anticorrosive methods, especially the environmental friendly coating has become the research focus.

近年来，涂层仍是最常用的防腐蚀方法之一，而环保型水性涂料将是未来的发展方向。

Artemisinin and its derivatives are well known antimalaria drugs.

青蒿素类药物是很好的抗疟药物，近年来大量体内、外研究显示青蒿素具有良好的抗肿瘤活性。

Combination treatments using artemisinin, an antimalaria drug extracted from a plant used in traditional Chinese medicine, have been hailed in recent years as the biggest hope for eradicating malaria from Africa, where more than 2,000 children die from the disease each day.

从传统中国草药青蒿提炼的抗疟疾药物青蒿素，用於混合疗法，近年来被誉为将疟疾自非洲根绝的最大希望。当地每天有2，000多名孩童死於疟疾。

Benzothiazole derivatives have been drawing great attention due to their antimalarial and antitumor properties.

苯并噻唑及其衍生物由于其独特的抗感染和抗肿瘤的特性，近年来引起广泛关注。

People have proposed lots of feature extraction and classification algorithms and achieved great successful in the last few years, but there are also many disadvantages that restrict the applications to some extent. Rotation invariant and antinoise texture classification is a topic to be researched deeply.

近年来，人们提出了各种纹理分类算法，并取得了丰硕的成果，但是，目前大多数分类算法仍存在很多缺陷，在一定程度上制约了这些算法的应用，旋转不变和具有抗噪性的纹理分类更是有待深入研究的重要课题。

So the Poynting vector and wave vector are antiparallel, consequently, the light is refracted negatively, and also there are many other unusual behaviors in LHM like reverse Cerenkov radiation, contrary Doppler effect etc.

所以近年来有关左手材料的研究受到了广泛的关注。2002年，科学家们发现当光波以一定角度入射到在光子晶体界面上时，光波在光子晶体中的传输也会出现和在左手材料中相同的现象：比如负折射和超透镜现象。

The study of pathogenic genes provides insights into the adaptations required by metazoans to successfully parasitize and counter defenses of immunocompetent plants, and suggests new antiparasitic strategies.

近年来对寄生相关基因的研究遍及南方根结线虫生活的诸多阶段，加之新兴RNA干扰技术取得重大突破，因此深入了解南方根结线虫成功寄生和突破植物免疫防御的机理，寻找新的防治策略成为可能。

In recent years, with the growing concern on the antiphony of Tang dynasty, researchs began to pay attention to joint sentences poem. To my point of view, the reason of low achievement of poem-joint sentences is the insufficience of further study and the limitation of reserch range, particularly the joint sentence poem of Tang Dynasty lacks further reserch and integrate reserch system. So I determined to make the joint sentences poem of Tang Dynasty ( the 1st year of Gaozu Wude-the 4th year of Xuandi Tianyou ,year 618–year 907) to be the study subject of my thesis.

近年来随着对唐代唱和诗越来越多的关注，研究者们也开始留意唱和诗中一种特殊的形式——联句诗，但笔者所见之文章多因联句诗总体创作成就不高的原因，或笔墨过于节省，或泛泛而谈、不够深入，或者囿于点的探讨和积累，对联句诗特别是联句诗发展黄金期的唐代尚缺乏进一步详细地整理和系统研究，这一现状使我确定了以唐代(高祖武德元年618年——宣帝天佑四年907年)联句诗为本文的研究对象。

This article searched and reviewed the domestic and foreign relevant documents of late years in terms of research on antipyretic effect and mechanism of Sctellaria.

对近年来国内外期刊中有关黄芩及其活性成分解热作用及可能的作用机制研究的文献进行了检索和综述。

In recent years, the Bush administration makes use of the antiterrorist campaign to block normal communication between the two peoples by creating difficulties for mainland Chinese students and scholars to acquire a visa, discriminating and even persecuting some Chinese who study or live in America legally.

近年来，布什政府利用反恐，来妨碍两国人民之间的正常交流，为大陆中国学生学者获得签证制造困难，歧视、甚至迫害一些在美国合法地学习或居留的中国人。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。