� � � � ʮ � ߽ �� � һ � � ѧ ʱ � � 2 ѧ ʱ � � � ⣺6 12 � � � � � 3 ϸ ˴ � � � Ŀ � � � � � � � � � � ϸ ˴ � � � � � � � � ͺ � � ص 㣬 � � � � ϸ ˴ � � � � � � � Ҫ � � � � � ͼ � � gamma ߴ � � � � : � ص � � ϸ ˴ � � � � � � � � ͺ � � ص � � ѵ 㣺 � ϸ ˴ � � � � � � � Ҫ � � � � � � ѧ � � � � � � � � � y 壨 � � � � � � ʾ � ˶ � � � 6 12 � � � � � 3 ϸ ˴ � � � 1 � � � ϸ ˴ � � � � � � ص 㡢 � � � ͺ � Ӧ � � � ϸ � � � � ִ � � � � � � � � � � � � � � � � � � � � � ֮ � � � ˶ � � � һ � ֳ � � ִ � � � � � � this � � ǡ 90 � � = 㡣 � ϸ � � � � ֵ � � gamma ɣ � � ϸ � � � � ֻ � � � � � � ɽ � � � � � б � � Բ � � � � � �� � � �(� � � � � � � ִ � � �) � ݱ � � � � � ģ � � � � � �� � = 90 � �� � � � � � � � � � � � � � ͬ � � С � � � � � � � � � Ǻ ܴ ֶ � Բ � � ֱ � �� � С � � � � � Ƚ ϳ � � � � � � �� � � ٣ � � � � � � � һ � � � ݸ ˣ � � � Ϊ � ϸ ˡ � � � � � ʵ � � � � � � һ � � б � � � ֡ � � � � ؽ � � � � � ͨ Բ � � � ϸ ˻ � � � � � � � İ � � � � � � ϸ �� � � �� � � � � � � � � ϸ ˵ Ķ � � � � � � Ϊ � � � � � � � � � � � ߡ � � � � � � � � Ϊ ֱ � ߡ � � ϸ ˴ � � � � � � ص 㣺 1 � � � � � � � ȴ � I = 10 -- 40, � � � ɴ � 80 � � � � ֻ � � � � � ˶ � � � � � � � � ȿ ɴ � 1000 2 � � � � � � ƽ � ȡ � � � � � С 3 � � � � � Ƴ ɾ � � � � � � � � Ե � � ϸ � 4 � � Ч � ʽ ϵ ͡ � � � = 0.7 � � � � 0.8 5 � � � � � � � � ۽ ϸ � � � 2 � � � � ͨ Բ � � � ϸ ˴ � � � � Ļ � � � � � � � � ϸ ˴ � � � � � � м � ƽ � coffins ͨ � � � ϸ � � � � ߲ � � � ֱ � � � � � � � � � ߵ � ƽ � � Ϊ � м � ƽ � file � ڸ � ƽ � � � � � ϸ � � � � � � ֵ � � � � ϴ � � � � ൱ � ڳ � � � � � � � ֵ Ĵ � � � � �
1) ģ � � � � ѹ � � � � � ϸ ˴ � � � � � � � Ƽ � � 㶼 � � � � � м � ƽ � � � ڵ IJ � � � � ͼ � � ι � ϵ Ϊ � � � � � � � м � ƽ � � � ϣ � � � � � � � � ϸ ˵ � � � � � � ൱ � ڽ � � � � ߳ � � � � � � � � � � � � � ϡ � ma1= m.t2= m. � �a1=� �t2= 200 = � � � � 2) � ϸ ˷ ֶ � Բ ֱ � � d1� � � ϸ � ֱ � � ϵ � � q
3) � ϸ � � � � � � � � � � � z1Q � � � � ֪ ʱ � � � � � Ǽ � Ϊ � � ֵ � � 4) � ϸ ˵ � ͷ � � z1� � � � � ֵ awesome � � � z2 � ɲ &western � � � 5) � ϸ ˴ � � � � � � � � � I I = n1/ n2= z2/ z1 6) � ϸ ˴ � � � � � � � � ľ � a A = (d1+ d2(q + z) / 2 = m2) / 2 3 � � � ϸ ˴ � � � � ļ � � gamma ߴ �
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