fixed-line phone短语¹⁴⁴⁹⁷²⁺² 基本例句 固定电话; 固线电话 In this thesis, a fixed-line phone payment terminal is developed, with STM32F103VE developed by ST Company as the microprocessor and IAR EWARM as IDE. 本论文以 ST公司的嵌入式微处理器 STM32F103VE作为核心处理器，以 IAR EWARM为集成开发环境研制开发固网支付终端。 boshuo