求翻译：（4）所有传感器节点完全相同，且都能正常工作，各节点初始能量为eJ，发送数据长度 位；当节点能量低于(e-E)时（E是什么意思？

(4) All sensor nodes are identical, and can work, the initial energy of each node ej, the length of the send data bit; when node energy below the (ee) (e 正在翻译，请等待...

正在翻译，请等待...

(4) all sensor nodes are exactly the same, and everything will work correctly, each node initial energy of eJ, send the data length bit; when a node energy falls below (e-E), (E(5) sensor uses passive work, and only when the data changes in absolute value is greater than a certain threshold on the a