following blacks meaning in English

拖黑边

Had followed black kettle ' s people
跟随着“黑壶”的族人
The digital tv ( dtv ) is the third generation of products following black - and - white tv and color tv , it is a result which collects the integrated application of high technology , such as digital technology , micro - electronics technique , network technology , software technology , etc . middleware technology is one of the key technology in the software technology and can make numerous software providers develop digital tv interactive applications in case of not considering the hardware environment
数字电视( dtv )是继黑白电视和彩色电视之后的第三代产品，是集数字技术、微电子技术、网络技术、软件技术等高新技术综合应用的产物。其中中间件技术是软件技术中的关键技术之一，该技术可以使众多的软件提供商在不考虑硬件环境的情况下开发数字电视的交互式应用。