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fei xiang tian shi re qi qiu
Author(s): 
Pages: 32-33
Year: Issue:  2
Journal: School Journal of Mathematics

Keyword:  热气球加热装置冷空气热空气球囊天使升空应用比较创造力制成;
Abstract: <正>热气球,不仅给人类的飞翔之梦插上了上了翅膀,而且将这个梦想点染得五彩缤纷、绚烂夺目.人类非凡的创造力、天才的想象力,在 ,在热气球上达到了极致.如鲜花般在空中绽放的热气球,与地面上万人攒动的景象交相辉 (?)辉映,那是怎样壮美的场面啊!
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