portable reader meaning in English

轻便阅读器

The “ sony reader portable reader ” system will sell for about $ 350 . for a limited period , new connect customers will receive a $ 50 credit to buy books from the service
新推出的“索尼便携式阅读器”售价约为350美元。在规定时间内，新用户在网上书店购书时可获得50美元折扣。
Secondly , a microstrip antenna used in portable reader and the two novel tag antennas which are a dual - band dipole antenna and a circular polarized microstrip antenna are developed
提出并研制了新型的双频段( 900mhz / 2 . 4ghz )电子标签天线、圆极化微带型标签天线以及便携式读出装置用微带天线。