Question

请手工翻译成英文，谢谢非常的~

通常这些手机使用PHS,GSM,CDMA等成熟的标准。具有稳定的通话质量，2G时代最大的特点是增加了接受数据的功能，它适应了数据通信的需求，从而催生了拇指一族。

Answer 1

Generally, these phones use PHS, GSM, CDMA and other standards mature. Call quality of a stable, 2G era is characterized by the largest increase in the acceptance of data, it adapted to the needs of data communications, which gave birth to Thumb Family.