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However, the short shelf-life of yoghurts markedly restricts the development of dairy industry. Meanwhile, most factories in our country still can not predominate the cold chain which is the key process to maintain the quality of yoghurts.

但有一个制约酸奶行业发展的问题，就是酸奶的保质期太短，由于冷链是酸奶品控中最为关键的环节，但是中国绝大多数厂家仍无法保证冷链控制，因此提高酸奶食用的安全性，避免增加冷链的运输成本，开发长保质期的酸奶，就成为值得研究的课题。

This article has studied HG70 steel and HS-70 welding wires weldings,the welded joint,welding quality,and the welding operational performance,in restricts under the welding condition,Uses HS-70 welding wires,Experiments the steel plate the weld joint stretch,degree of hardness and the resilience test result indicated that,HG70 steel and HS-70 welding wires weld joints have the low crack sensitivity,The welding quality is good,Its weld joint has the fine mechanics performance,thus explained they had the fine welding match.

0前言非调质钢具有优良的使用性能和较低的生产成本，受到普遍重视。HG70钢是武钢开发的工程结构用钢，具有强度高、低温韧性好的特点。传统高强度钢一般碳当量较高，焊接性能较差。通过加入微量合金元素、采取新的控轧和调质工艺，使得HG70钢在提高强度的同时，亦保持了较高的韧性和较低的碳当量，因而从理论上讲HG70应具有较好的焊接性能，但HG70钢与HS-70焊丝的匹配情况，还有待于分析验证。

Such a situation restricts not only the using value of research results but also the improvement of tribology.

这不仅限制了研究成果的实用价值，而且也不利于摩擦学本身的进一步发展和完善。

As woody energy plant, Xanthoceras sorbifolia Bunge's seed yield is the main factor restricts its exploiture.

作为木本能源植物，文冠果的种子产量问题是制约其大力开发利用的主要因素。

He now concentrates more on concerts and recitals and restricts his opera performances to one or two productions a year.

现在的他更重视演唱会和独唱会的演出，并将自己的歌剧演出限定在每年

He now concentrates more on concerts and recitals and restricts his opera performances to one or two productions a year.

现在的他更重视演唱会和独唱会的演出，并将自己的歌剧演出限定在每年 1-2次。

The chief weapon in the arsenal of those fighting visual pollution here is a law that restricts the type,size,number and placemen of roadside advertising sign.

治理这里视觉污染的主要武器是通过一项法律，对路旁广告标志的种类、尺寸大小、数量及放置地点予以限制。

The net go toes the teaching to have already become a main current direction that develop of education; The teaching on the network have broken restricts in time and areas, share profits to use the resources advantage of the school, and is a kind of exploitation network to proceed teaching of gathering Voice\Images\Video data in the hand overing of integral whole with each other remote education Courseware ;User Can view the multi-media teaching by interview the hypertext pages ;Is a kind of method of sharing the information means, conveniently and quickly.

网上教学已成为教育发展的一个主流方向，充分利用学校的资源优势。网络课件是一种利用网络进行教学的集语音＼图像＼视频数据于一体的交互远程课件；可以使用户通过访问超文本页面浏览多媒体教学；是一种方便迅速的共享信息手段。

T his restricts the transition of reaction gas and causes bubble formation at the interface.

氧化产物与基体形成的致密层减缓了纤维的进一步氧化，并阻碍氧化气体的排除，在界面形成大量气泡。

Particularly in east Africa, the loss of land to national parks, game reserves, hunting blocks and conservation severely restricts pastoral mobility as much of this land either consists of critical dry- or wet-season grazing or cuts across seasonal migration routes.

特别是在非洲东部，国家公园、猎物繁殖保护区、狩猎区及保护区侵占了大量的土地，从而使游牧迁移受到了严重的限制，因为这些土地不仅包括旱季和雨季主要的放牧区，而且还切断了季节性迁移的必经之路。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。