Each band represents a deviation of one half wave length of the applied light.
每条光带表示所用光的一个半波的波长的偏差。
Radio waves are similar to light waves except their wave length is much greater.
无线电波与光波相似，但无线电波的波长要长得多。
Radio waves are similar to light waves except their wave length is much greater.
无线电波与光波相似，但无线电波的波长要长得多。
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