Reduction of return data based on better definition of metadata (using External tables).
根据更好的元数据定义减少返回数据(使用外部表)。
2
New selecting tables are defined based on the effect of torque reduction caused by zero voltage vectors in different speed range.
分析了零电压矢量在不同转速范围内对转矩的减小作用，并设计了新的选择表。
3
Much valuable but hidden information can be discovered from decision tables associated with compatible reduction and lower approximation reduction based on dominance relation.