address filter unit的用法和样例：
- The fold cartridge filter unit was developed by adopting hitech membrane material, and then a new type of gassolid separation equipment was made up with it.
- MAC address filtering and base station discovery policies that prevent the deployment of unauthorized access points and other wireless devices can be enforced at the final layer.
- The digital filtering unit employs moving average filter, by which the interference pulse can be well filtered, and thus the antijamming ability of the system is improved.
- The biodiesel production unit of claim 3, wherein said filtering unit comprises a settling tank.