有益

Therefore, a very significant challenge is to modify natural polymers to take advantage of their useful barrier properties and find ways to reduce their leakiness toward water vapor.

因此，一个非常重要的挑战是要修改天然聚合物，以利用其有益的阻隔性能，并设法减少其泄漏的水蒸汽。

In the study of the performance of the song, the paper makes a review of the pronunciation of vowels and consonants in German, introduces some frequent problems in singing the song and proposes my own opinions on how to deal with them. In the exactness and rhythm of the divertimento, based on my experience of performance, I sum up what should be paid more attention to in the work, emphasizing the creative rhythm and the value of notes in each stanza. It also analyzes the syntax and breath, the control and performance of shade, the pace and tempo. From different perspectives, the importance of the emotion in the divertimento Frauenlieb und leben op.42 is exactly explained. There is a detailed explanation of the eight sections in the paper.

更多己的处理方法；在声乐套曲演唱中音准与节奏的分析方面，结合自己的演唱体会，总结出演唱这部作品时音准方面要注意的地方，突出了舒曼作品最具独创性的节奏，强调了音符在每小节中的价值；并从乐句与呼吸、音色的控制与表现、速度与力度等方面分析了本声乐套曲演唱的音色与力度；从多个方面阐述声乐套曲《妇女的爱情与生活》中情感的重要性，以及怎样把握、运用和表现作品的情感；着重对本套曲八首分曲的演唱处理进行了系统分析；通过听赏不同大师对此套曲的演唱版本，以期在声音的运用、乐句的划分、速度的安排、旋律的演唱、歌曲的处理方法等方面得到有益的借鉴，扩大我们的艺术视野，在演唱实践中给予启发和熏陶。

I consider the foundation of the LEFT Party to be good for left-wing aims in general.

一般来说，我认为左党的基础对左翼的目标是有益的。

Several leftish academics have advocated an updated version of the 1930s Works Progress Administration in which the jobless could be put to socially useful work, such as building low-income housing or providing childcare.

一些左翼学者主张一个升级的1930版本工作振兴署，在那里失业者可以做一些对社会有益的工作，如建造低收入住宅，或者幼托服务。

Several new leftists see the reforms as initially beneficial,but less so as the human and environmental costs of China's development increased.

一些新左派认为改革初期是有益的，但随着中国发展所付出的人权和环境方面的代价不断增加，收益就少了。

It is unworthy of us to effect an admittedly beneficial object by so rude a device as a legal fiction.

我们现在已不值得要去用像法律拟制这样一种粗糙的方式以求达到一个公认为有益的目的。

Have some lettuce. It's good for your health.

吃点莴苣吧，对你的健康会有益的。

Since English Lexicology deals with English vocabulary,this course will definitely be beneficial.

自从英语词汇学开始着手英语词汇，这个过程是有益的。

It provided a new enlightenment for us to realize the indigenization of Library Science.

这为我们实现图书馆学研究的本土化提供了有益的启示。

It provided enlightenment for us to realize the indigenization of library science study.

这为实现图书馆学研究的本土化提供了有益的启示。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。