From the point of views of language and thinking science, the paper analyses some problems which exist in PE circle on using language and thinking.
从语言和思维科学的角度，分析了体育界在使用语言和思维方面存在的问题。
However, on the other hand, there are some problems caused by computer using.
然而，另一方面，有一些问题引起的电脑使用。
Some problems on designing and using air damped mechanism and the principles for selecting suitable parameters have been discussed.
文中对气体阻尼机构在设计使用时应注意的问题及参数选择原则也进行了一些初步探讨。
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