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We sometimes use plants to make living environment more lively. But the growth of plants need long time. So I hope I can finish a devise to shorten the growth time. | We sometimes use plants to make living environment more lively. But the growth of plants need long time. So I hope I can finish a devise to shorten the growth time. | ||
==Exercise 1 == | |||
==Exercise 2 == | |||
[[File:plant01.jpg|500px]] | [[File:plant01.jpg|500px]] | ||