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【单选题】
ZigBee技术的特点不包括( )。
A.
功耗低
B.
成本低
C.
D.
速度快
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A.
点的三维坐标
B.
直线的距离
C.
直线的方位角
D.
图形面积
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A.
7
B.
8
C.
9
D.
10
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