tree coding的用法和樣例：
例句
- Pre-processing was designed to mark the significance of all nodes and main-processing to finish listless zerotree coding.
預處理完成對所有節點(diǎn)顯著(zhù)性的標注，主處理完成無(wú)鏈表的零樹(shù)編碼。 - When coding the wavelet-trees, zerotree is using neatly, which improves the compression efficiency.
在對小波樹(shù)編碼時(shí)，靈活運用了零樹(shù)的概念，提高了壓縮效率。
