When a message is being transmitted between a local SMSC and a foreign SP, or between a local SP and a foreign SMSC, the sender must obtain the position information of the message receiver.是什么意思_When a message is being transmitted between a local SMSC and a foreign SP, or between a local SP and a foreign SMSC, the sender must obtain the position information of the message receiver.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句