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Of the transmission media currently used in wireless sensor networks, ( ) has the worst penetration capability.
选项：

A:radio
B:infrared ray
C:optical wave
D:acoustic wave

发布时间：2024-06-20 17:23:20

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Of the transmission media currently used in wireless sensor networks, ( ) has the worst penetration capability. 选项： A:radio B:infrared ray C:optical wave D:acoustic wave

Of the transmission media currently used in wireless sensor networks, ( ) has the worst penetration capability.
选项：

A:radio
B:infrared ray
C:optical wave
D:acoustic wave