In a blank CD-RW, the compound in the recording layer is in a ____________ state. If the laser heats it and then cooled quickly, the compound changes its phase to ______________ which has __________ reflectivity.
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fill in the blanks about a science question
2007-10-04 6:33 am
回答 (2)
2007-10-10 5:23 pm
✔ 最佳答案
In a blank CD-RW, the compound in the recording layer is in a __amorphous__ state. If the laser heats it and then cooled quickly, the compound changes its phase to __crystalline__ which has __different__ reflectivity.
2007-10-18 8:01 pm
In a blank CD-RW, the compound in the recording layer is in a __matter__ state. If the laser heats it and then cooled quickly, the compound changes its phase to __energy__ which has __no__ reflectivity.
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