So as you know, the vocal music, including performance and teaching, is a kind of cultural phenomenon essentially.

由此可见，声乐艺术从本质上讲，就是一种文化现象。

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They occupy the important position in the creation of Chinese Piano Music and have very high practical value in the field of performance and teaching.

在我国钢琴音乐创作中占据着重要的位置，在钢琴演奏和教学领域中也具有很高的实用价值。

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Based on the knowledge about the different slide diameter of the trombone playing the various styles of music pieces, the article clarified its important significant in performance and teaching.

文章通过深入地了解各种不同管径大小的长号在不同风格的音乐作品中的运用，阐明其在演奏与教学中的重要意义。

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"We want middle school kids to increase their level of achievement in science and math and for their teachers to increase their level of performance in teaching those subjects."

VOA: standard.2010.05.10

The prize rewards projects and activities of individuals, institutions or non-governmental organisations for excellent models, best practice and the creative use of ICT to enhance learning, teaching and overall educational performance.

UNESCO: Apply for UNESCO Prizes

"Strategies to improve test and examination performance, coupled with teaching that focuses heavily on preparation for the qualifications, does not equip pupils for their futures, " says the booklet destined for secondary schools.

BBC: Maths teachers 'taught to teach'

The foundation and others have estimated that it could cost between 1.5% and 2% of the overall budget for teacher compensation and benefits to implement a feedback and evaluation system based on multiple measures of teaching performance.

CNN: Bill Gates: Invest in better teaching