wtvqCOCA²⁸⁰¹³⁶⁺⁵ 基本例句 🌏矢量量化 Then a special Vector Quantization, called Wavelet Tree Vector Quantization WTVQ, is designed to compress the every spectral image data, and a higher compression performance is obtained. 采用特殊矢量量化编码，叫作小波树矢量量化 WTVQ编码对每个谱象数据进行压缩，获得较高的压缩性能。 cnki