全文着重论述了绝对听觉能力的必要性、培养条件及科学训练方法三个方面的内容。

This paper dwells on the necessity of the ability, cultivating conditions and scientific training methods.

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大学生竞技健美操与健身健美操相比较，有其独自的特点。要提高高校竞技健美操运动水平，应掌握其特点，在内容的创编及训练方法上力求系统化、科学化。

College sports gymnastics has its own characteristics compared with setting-up exercise. To raise the level we should master its essence and systematize the arrangement and training.

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本文试对这种训练方法进行探析，旨在为科学化训练提供参考依据。

We try to inquire into this method in order to provide some references for scientific training.

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And Jenner, because he was a trained physician, because he knew something about the scientific method, did something that these more ancient healers had not done in the past, was that he wrote down what he did.

而詹纳,因为他是个受过训练的医生,懂得一些科学方法,他做了那些古老的医生们没有做的事,就是记录了自己的所作所为

耶鲁公开课 - 生物医学工程探索课程节选