To check signal strength, access the menu and follow the prompts on the display. The higher the number of bars displayed on your mobile phone, the better the signal.是什么意思_To check signal strength, access the menu and follow the prompts on the display. The higher the number of bars displayed on your mobile phone, the better the signal.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句