求翻译：目前有线电视数字化在我国各地大中城市正如火如荼的开展，作为数字电视终端设备的数字机顶盒也得到蓬勃发展，但是CA的不统一和地域性差异严重制约了机顶盒的发展，因此“机卡分离”是数字电视普及的必由之路。是什么意思？

Current digital cable TV in major cities across the country to carry out is in full swing, as the digital television terminal equipment, digital set-top boxes have also been booming, but CA's regional differences are not uniform and has seriously hampered the development of set-top box, so the "UIM"

Digitization of the cable television in various parts of the country is in full swing, and medium-sized cities as a digital TV set-top box figures of terminal equipment has also been flourishing CA, but the lack of harmonization and geographical differences have seriously hampered the set-top box de

At present the cable TV digitization in our country each place big or media-sized cities like a raging fire development, also obtains the vigorous development as the digital television terminal device digital set-top box, but CA not unified and the regional difference has restricted the set-top box

CATV digitization in cities all over the country are now in full swing, as terminal equipment for digital TV digital set-top boxes have been booming, but CA not unity, and territorial differences seriously restricting the development of set-top box, so "separation" is the only way to the popularizat

CATV digitization in China cities around being at present, STB also had thrived as digital television terminal equipment, regional differences but CA not unified and seriously restricted the STB's development, therefore "separation" are DTV and universal way.