��־

��Ʒ�

�� 1128 ��Ķ�2017-5-10 21:36|��˷��:��|��

��

��ͥ + �� *2

��ͥ�� ǰ��ֱ�� 0.5 �磻��ͷ��ǰ�� 0.5 �磬��ͥ�Կ� 3 �磬��ͥ�� ͷά��ߵ�� 2/3 �� 1/3 �Ľ��㴦��ַ�

��

��£��ϰ��ͷ��

��ٻ᣺��ͷ��ǰ��ֱ�� 5 �磬��ߵ��е㴦�ٻ�ǰ��Ҹ� 1.5 ��

��

��˶� ��ʧ�� ̱��ǣ� ��ϰ�

�Ի�+ �Կ�*2 ��Ի��ͷ��ֱ�� 2.5 �磬�縮�� 1.5 �磬��¡͹��Ե��ݴ��Կգ��ͷ��¡͹��Ե��࣬ͷ��Կ� 2.25 ��

��´�

��

��˶��ϰ�� ƫ̱��

��ֱ�� 2 �磬��ǰ�� 1 ��

��´�

��ʹ��

��ۺ�֢��ѣ��

�� + ӡ�� + ̫��Ѩ*2 ��ӡ�ã��ǰ���üͷ�� ǰ��֮��㴦��̫��Ѩ�� ü��Ŀ��֮�䣬��Լһ��ָ�İ��ݴ�

̫��Ѩֱ��

��

�� ή�� ư߱�� Ĥ��

�ۢ�� Ѩ�� 2 �֣��۵׽�� 1.2 �D 1.5 �磻��Ե�е㣬��۵׽�� 1.2 �D 1.5 �磬��ƣ��Ե�е㣬��۵׽�� 1.2 �D 1.5 �磬��

Ҫ��̴��۵ף��壬��ת��ӵ��룡ֻ��Ϲ��

��

��ƶද֢��ѣ�Σ� ע��Ƕ�ͯ

�� ӡ��Ѩ�� 5 �֣��Ѩ�� 5 �֣��Ҹ�һ��ף��ǰ���ͫ��ֱ�ϣ�ü�� 1 ��

��´�

��

��ƹ��Ա��ף� ��Ա�� ǲ��

ӭ�� ӭ��ӡ�ã��ӭ�㣺��沿�� Ǽ��Ľ��紦�� Ǵ��϶˴��

ӭ�㲡��ڶԴ̣��б�̡��ӭ��б�̡��Ա�� Ѩ

�漡��

�� 漡��

�İ�� ճ�� ز�� ӭ�� s�� ۼ��Σ��İ� + �� Ѩ��漡��Σ��ز�͸�ճ��ӭ��s

�ӵ��ܲ��ʱ��Լ 45 ��

��

�� ʹ

̫��¹أ� ��Ѩ��֧��̫��¹أ��Ѩ��ף��֧��̫��¹أ��Ѩ��İף��֧��̫��¹أ��Ѩ��ӭ��

�ӵ��Գ�ʱ��

��

�� ճ�� ز�� Ϲ��Ͽ��ף� �İ�

��

��Ƹ��ֶ��

�� ǡ�� أ� �Ϲ��루�Ӵ�**��ǿ��Ѫ��

�� 1.2---1.5 ��

��

�� ϰ��ˮ��

��Ȫ��Ȫ��Ҹ� 0.8 ��ȡѨ�� 1 �D 1.5 ��

��ӵ磬��ַ�

ͻ��

��Ƽ�״��״�

ˮͻ�� ͻ��ͻ��ˮͻ��ھ�� ͻ��ǰԵ�� ӭ�� ߵ��е㣻��ͻ��λ��ھ��ǰ��ϣ��ع��룻��ͻ��ھ��ಿ��ԣ��ͻ��ǰ��Ե֮��

��

��ƾ�׵��

�� �� б��Ե֮�ʰ��У�Լ��Կ�1.3�磻��ͣ���� ׵Ѩֱ��2�磬��Կ�1�磻��̣��ڱ��1��׵��ͻ�£��Կ�1.5��

��뷨

��

��ƺ��ϵͳ��

��ţ� ��᣺�ڱ��3��׵��ͻ�£��Կ�1.5�磻��ţ��ڱ��2��׵��ͻ�£��Կ�1.5�磻��̣��ڱ��1 ��׵��ͻ�£��Կ�1.5��

��

�� ؽ��

�� sѨ�� °��ݴ��룺��sѨǰ��2�紦

��ȻȡѨ��þٸ첲

��

��֫�˶��ϰ�

��أ� �Ϲ��أ��ˣ��⣬�� Ź��е㣻 ��ֱ��2�磬 ��֮�䣬 �� ϣ��Ϲȣ��ֱ��1��2 �ƹ��䣬��2�ƹ��е㴦��

��

��ǣ��ද��ʧ�ߣ����˶��ϰ�

�͹��ţ� �ڹ��͹��ģ��2��3�ƹ�֮��ƫ�ڵ�3 �ƹ��ȭ��ָʱ��ָ�⴦�� Ʋ��Ƴ߲�ˣ��߲�� ݴ��ڹأ��ǰ��Ʋ࣬�� ϣ��2�磬 �Ƴ��֮�䡣

��

�� ׵��Ա�

��ᣬ ί��᣺��2 ��׵��ͻ�£��Կ�1.5�磻��᣺��4��׵��ͻ�£��Կ�1.5�磻ί�У��N��е㣬�ɶ�ͷ ��켡��м䡣

��

�� ʹ

�� ί��ء��ڹ��ಿ��ɣ�� ɹ� ��ת��͹�� ׵��ߵ��1/3��1/3��㴦��أ��㲿��׺�� ׼�� ֮��İ��ݴ��

�� Ч��ã��е�д��´�

ϥ��

��ϥ�ؽڼ��

˫ ϥ��Ѫ��Ѫ��ϥ��ڴ��ڲ࣬�Ƶ��ڲ��2�磬�� ͷ��ڲ�ͷ��¡��ϥ��ڴ��ǰ�棬�� ǰ�ϼ��Ƶ��˵��ϣ��Ƶ��2�磻ϥ�ۣ��ϥ�� ʹ��఼�ݴ��ڲ�ĳ� ��ϥ��ĳ� ��ϥ��

�� Ȫ

��

�� ׹ؽ��׹ؽ��ʹ

��Ϫ��أ� ̫Ϫ��Ϫ��㱳��С�Ƚ��紦�ĺ��밼��У��ۣ�� ֺ��켡��֮�䣻̫Ϫ��ڲ࣬ ��׼�� ֮��İ��ݴ��أ��㲿 ��׼��֮��İ��ݴ��

��

��ǡ��˥��֢

ӿȪ��Ȫ�У�Ȫ��⡣ӿȪ��ײ��ʱ��ǰ��ݴ��Լ��2��3ֺֺ��ͷ��ߵ�ǰ��֮һ��֮��ϣ�Ȫ�У�ӿȪ��İ��ݴ��Ȫ��ڣ�Ȫ��8��---1�磻Ȫ��⣺Ȫ��8��---1�硣

Ȫ��Ҫ��Ա�֢��ƿ��

��

��Ƽ��ή��ȡ� ֫��ľ

��֫ή�� Ϲ�

��֫ή�� �� ̫Ϫ��̫Ϫ��ڲ࣬ ��׼�� ֮��İ��ݴ��С��ڲ࣬�� ׼��3�磬 �ֹ��ڲ�Ե�� С��ǰ��࣬�� 3�磬��ֹ�ǰԵһ��ָ��ָ��Ϲȣ��ֱ��1��2 �ƹ��䣬��2�ƹ� ��е㴦��أ��ˣ��⣬�� Ź��е㣻��У��Ŷ�ͷ ��఼�ݴ��

��

�� ƺְ��ڰ�

ȧ�s��̫��¹ء�ȧ�s��沿�� Ŀ��ֱ�£� ȧ��Ե��ݴ��̫��ü��Ŀ��֮�䣬��Լһ��ָ�İ��ݴ��¹أ��沿��ǰ��ȧ�� м��γɵİ��С�

��B12Ƥ��ע�䣬�ӵ��貨

��

�� ֭��㣬��׿�

�� 羮��ز�� **ֱ�£�**��5 �߼�϶�� ǰ��4�磻��У� ��λ��ز��ǰ��ϣ�ƽ��߼䣬��**��ߵ��е㣻�羮��ڼ��ϣ�ǰֱ �� ׵Ѩ�� ߵ��е��ϡ�

��ѨҪ�߹��Ե��룬��б��