5-year-old 6 years and 7-year-old 8-9-year-old 10 years and 11-year-old
The application of gender:
Neutral
Color classification:
120 40 times fixed times (binocular observation) 27-45 times continuous variable times (binocular observation) 3 fixture version 7-45 times continuous variable times can clamp 6cm4 three eyes 7-45 times
Whether there is shopping guide film:
No
The type of experiment:
Biological Chemistry
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