Accordingly, IEEE802.15.4 based star body area MWSNs (BA-MWSN) is designed by using slotted CSMA/CA MAC mechanism.The QoS of BA-MWSN is evaluated by network simulation experiment.是什么意思_Accordingly, IEEE802.15.4 based star body area MWSNs (BA-MWSN) is designed by using slotted CSMA/CA MAC mechanism.The QoS of BA-MWSN is evaluated by network simulation experiment.在线翻译_英语_读音_用法_例句