查询词典 lawn tennis arm

The long term development and research on the teaching and learning of table tennis trends to teaching, and the teaching and learning methods come from the sum-up of the practical table tennis experience. So it is lack of the guiding of theory behind practice.

因为乒乓球的教学在长期的研究发展过程中一直倾向于探索对教的研究，其教学方法多出自对乒乓球实践的经验总结，缺乏实践背后的理论指导。

Company's existing production lines for more than 10 types of advanced equipment and skilled, film production, such as table tennis products, and continue to introduce technology, advanced equipment table tennis shoot extension of product development, product to the series, pluralism, the development of specialization .

公司现有各类生产线10余条，设备先进，技术精湛，生产乒乓球拍等系列产品，并不断引进科技人员、先进设备开发乒乓球拍延伸产品，使产品向系列化、多元化、专业化方向发展。

The purpose of this study was to analyze the difference between tennis service action force of foot-up and foot-back for the elite tennis players.

本研究之目的在於分析foot-up与foot-back两者之间在发球动作上双脚的作用力量之比较。

Narrowing the gap should first solve a series of reserve personnel tennis training, junior reserve forces is the source of a nations overall living standard of tennis.

缩短差距首先应该解决中国网球后备人才培养的系列问题，青少年网球后备力量是决定一个国家整体网球水平的源头活水。

The ITTF reformed three rules of the table tennis competition, thus the table tennis team of China will face a new challenge.

国际乒联对竞赛规则的三项改革，使中国乒乓球队面临新的挑战。

When I was jut six years old, my brother and my dad knew how to play tennis, my cousin and my uncle also knew how to play tennis.

在我六岁的时候，我哥哥和我爸爸会打网球，我的堂哥和我的叔叔也会打网球。

So early tennis match with only two men's singles and doubles, women's tennis item no.

因此早期的网球比赛只设有男子单打和双打两项，不设女子网球项目。

Therefore, early tennis tournament with only two men's singles and doubles, women's tennis is not set up the project.

因此早期的网球比赛只设有男子单打和双打两项，不设女子网球项目。

In recent five years, more than 130,000,000 yuan has been invested in the construction, re-construction and extension of all levels sports stadiums and gymnasiums, for example, more than 6,000,000 yuan has been invested in ancient town area, having built the multi-functional training stadium with area of 1,680 squire meters, including basketball, volleyball, badminton, pingpong, tennis ball, fitness, etc , indoor tennis court with area of 1,280 squire meters, golf driving ranges which occupy 40 acres, and three standard football fields etc.

丽江市各级党委、政府十分重视公共体育设施建设，近五年来先后投入1.3亿多元对各级体育活动场馆进行新建、改建和扩建，如仅在古城区就先后投入600多万元，建成了面积为1680平方米的篮球、排球、羽毛球、乒乓球、网球、健身等多功能的综合训练馆，面积为1280平方米的室内网球场、占地40亩的高尔夫练习场及3块标准足球场等。

The 28th international table tennis federation world after the modification of the rules , the ball from behind high ball down, so that can serve force is not legal service. In the 1960s, along with the development of tennis sport service quality is improved greatly, and pay more attention to the rotation speed, and serve the high toss service, but due to not to bring great threat returner and so on the new rules, not too many restrictions on serving technology.

第28届世乒赛后，国际"乒联"对规则进行了修改，规定了抛起的球从最高点下降时才能击球，因此认定合力发球是不合法发球。60年代随着乒乓球运动的发展，发球质量也有了很大的提高，更注重发球的旋转与速度，开始出现了高抛发球，但由于并没有给接球方带来很大的威胁，所以，规则并未对这些新的发球技术进行过多的限制。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。