对于节拍流不同部分的拆分，是经常重复的，也是有长有短的，这就是在基本拍的基础上的旋律叠加，也就是说是以这些拍子为组织依据的。

The dividing up of this stream into different patterns often repeating, of longs and short is superimposing rhythm over top of this basic beat which is organized in terms of these meters.

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班级是学校的基础细胞和基本组织单位。

Class is that the school basis cell organizes an unit with basic.

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介绍了BP网络的基本结构模型与常见改进算法，在此基础上提出了一种新型的结构自组织BP网络算法。

Based on expatiated the basic structure model and some general improved algorithms of BP neural network, this paper brings forward a new self-organization learning algorithm.

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