Tỷ lệ kèo nhà cáiʱ526Һպ֣NASAĸ밢ޣApollo ¼ƻʵңSkylabʷϵλԱסȶAlanBean˹ҽԺȥ86ġܻ߶²ö顷ʾˣԭˣ19731³ʡ˶ʿоԭϵʡҵĸҵԱ201656ܻһ䱻¾ͬ523ձ
ϣһѧ˿·ѧԺĽ跢չ̽ܵĺռרҵ˲սҪʵչΪƶһһ·ʵṩǿ֧
ڵ½Եػֳߴԭ£״̬ǵ½ԴԼ3.5½ʱѸٳ½ٶȽ2ﵽɡȫչ4ѮջȺƵѧԱϵһΣѧԱͨװȦչʾֶװԼϱгɽҩҵܿ췢˲乫ѹ˦˹֤ȯ20145·бơ˾֤ȯδдѯԴԼ㷽δǷȷкʵ
˰=(˰۸+ڹ˰)(1-˰˰)˰˰ʡӵͬʱȫڷٴҽʦձ鷴ӳ״ټķйҽƴѧڷоƽʳμӵߵоҲǹίǰġйָϡҪд֮һڷ2010һƪод