但在一些以小型手持设备为终端的自组网应用系统中物理层无法提供载波感知。

But the physics layer of some small hand-hold equipments can not provide carrier sense.

youdao

但在一些以小型手持设备为终端的自组网应用系统中物理层无法提供载波感知。

But the physics layer of some small hand-hold equipments can not provide carrier sense.

youdao