Zigbee 英语发音怎么读 这是行业术语 词典没有这个单词

关于Zigbee的小问题：注册 结点（nod） 端点（endpoint） 事件 任务 这几个名词是什么意思,之间什么关系
看了很多东西,始终理不清

英语翻译
Wireless module adopts advanced ZigBee technology for it has self network building function,
flexible networking,without manual interference.And
one net node can perceive other nods’ existence and determine connection relationship.International general free frequency band(2.4̚2.48 GHz ISM) is adopted as usage frequency and direct sequence spread spectrum(DSSS) which has the ability of high anti- interference is adopted as transmission method to support high network physical performance[5].Above all,ZigBee technology is the best way for the network of road lighting control system.In practical design,Freescale’s MC13214 that incorporates a low power
2.4 GHz radio frequency transceiver and an 8-bit microcontroller is adopted as wireless transceiver chip.The RF transceiver is an 802.15.4 Standard compliant radio that operates in the 2.4 GHz ISM frequency band.So it can support many network connection manners such as point to point,mesh network,star network and tree network [7] and it can enhance flexibility and
adaptability of the net of road lighting.MC13214’s configuration is shown in Fig.4.
你先把句子弄通顺了再说