sub-sample英'sʌbs'ɑːmpl美'sʌbs'ɑːmplCOCA¹¹³⁷⁷³BNC⁵⁹⁸¹⁹ 基本例句 n.二次抽样¹⁰⁰ A gray-level image is decomposed into a3-D image sequences by sub-sample of zigzag scan which are transformed using3- D SWT. 首先，通过之字扫描把灰度图像分解为3维的图像序列，然后使用3- D SWT变换这些图像序列。 http://dict.cnki.net