Rewrite is an optimization strategy that transforms a valid query into a semantically equivalent form that can be more efficient to execute.
重写是一种优化策略，它将一个有效的查询转化成语义上相等的一种新形式，这种新的形式执行起来更为高效。
As applications, the equivalent form and some reverses are considered.
作为应用，建立其等价式及逆向形式。
This dissertation studies the applications of the inversion techniques and its equivalent form in finding and proving the hypergeometric series identities.
本文探讨了反演技术及其等价的形式在寻求和证明超几何级数恒等式方面的应用。
Firstly a formal description of the problem is proposed, and then the problem is transformed into one kind of equivalent form about polygon motion planning.
给出了此问题的形式化描述，并将问题归约为一种关于多边形运动规划的等价形式。
Methods: The split-half method and the equivalent form method were used, and the concurrent validity and predictive validity of the criterion-related validity were tested.
方法：采用分半相关法，复本法以及效标关联效度的同时效度和预测效度进行检验。
Methods: The split-half method and the equivalent form method were used, and the concurrent validity and predictive validity of the criterion-related validity were tested.
方法：采用分半相关法，复本法以及效标关联效度的同时效度和预测效度进行检验。
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