Wireless Personal Area networks (WPAN) is the small-scale wireless networks, which is people-centered and composed of various small handheld devices, mostly used in the family.
无线个域网是以人为中心，在人的活动空间内由各个小型手持设备组成的小范围无线网络，目前主要应用于家庭内部。
The scale operation is centered on (0, 0).
缩放操作以(0,0)为中心。
应用推荐