The critical function and critical rules based on the spectrum characteristic selection and the process of spatial dimensional reduction were established.

通过光谱特征选择及空间降维处理，建立了判别函数，确定了判别规则。

youdao

According to the calculation result and features of low percentage interturn fault, the general characteristic selection for percentage differential relay of transformer is suggested.

最后根据轻微故障的特点提出对变压器比率差动继电器通用特性选择的建议，供同仁参考。

youdao

To compress the dimensions of characteristic vector and make the design of classificatory in the characteristic space with lower dimensions is the purpose of characteristic selection and extraction.

压缩特征向量的维数，在较低维特征空间中进行分类器设计是特征选择与提取的目的。

youdao

Sexual selection emphasises the development of characteristics that demonstrate in a way that cannot be faked just how fit that characteristic's possessor is to father (or mother) another individual's offspring.

ECONOMIST: Come up and see my etchings