RECOMMENDATION ITU-R BT.601-5 STUDIO ENCODING PARAMETERS OF DIGITAL TELEVISION FOR STANDARD 4:3 AND WIDE-SCREEN 16:9 ASPECT RATIOS-RECOMMENDATION ITU-R BT.601-5 STUDIO ENCODING PARAMETERS OF DIGITAL TELEVISION FOR STANDARD 4:3 AND

Wabacus（[ wæ bə kə s]）框架采用面向声明的开发模式，可以不用编程或极少编程即可实现复杂的数据展示，数据编辑，表单处理等... ,请下载后把最后的.gz后缀去掉-Wabacus ([' wæ bə kə s]) using the framework of the statement-oriented development model, without programming or minimal programming