룺Ϊ˱ʾˮ뱥״̬Զʪȵĸ
ʪȣij¶ʱʪ p ͬһ¶ˮıѹ ps İٷֱȽʱʪ
ٲͬ¶ˮıѹܹõ
ھʪ p ¶ʱˮıѹСʹʪ
ʪRHʾʪȵĶǵλʵˮܶȣd1 ʾͬ¶±ˮܶȣd2 ʾİٷֱȣRH%= d1/ d2 x 100%һּ취ǣʵĿˮѹǿp1 ʾͬ¶±ˮѹǿp2ʾİٷֱȣRH%= p1/ p2 x 100%
ʪ¶ȣָʪ¶ȼõ¶ȣ¶ȡʽҽõʪȼұߵ¶ȼдʪ¶ȡܹĽṹ¶ȼƵĸһɴɴˮˮעˮˮɴΧ¶ȼƵĸʪˮڳֲ֧ŸֹͣܵĹӦٶȺˮٶȵһȶľ⣬ʪȾʪ¶ȡʪ¶ȵĴСӳʪȵĴС
ʪȼԭʼʪƾʽҽõʪȼƣⶨ¶ȣȻʪ¶ȱȣڿ̶вʵʪȵֵ֪ʪ״̶̬еԱΪ“յ֮”˿ƳĿʪͼֲָ¸ʪƳɵʪȼƣеϻеתװʪԶǣCCTC ձʪǡ