This article introduces the factures and demonstration circs of a demonstrator of overweight and zero gravity which shows their data and whose demonstrational effect is very good.
介绍了一例超重失重演示仪的制作及演示情况，该演示仪能具体得到超重失重数值，演示效果好。
This article introduces the factures and demonstration circs of a demonstrator of overweight and zero gravity which shows their data and whose demonstrational effect is very good.
介绍了一例超重失重演示仪的制作及演示情况，该演示仪能具体得到超重失重数值，演示效果好。
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