picth
picth-
This paper focus on the two systemized and influential atonality theories , the symmetry theory and the picth class set theory .
本文以后调性时期中较为成熟并有较大影响的两种理论体系&对称理论与音级集合理论作为研究对象。
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This paper designed a virtual laboratory for the picth control of wind turbine which can make up many drawbacks in the construction of wind power laboratory .
针对风力发电实验室建设的诸多弊端，本文设计了风力机变桨控制的虚拟实验室。