
#1                   ƽƫľ׶ܷ˵

    1Ϊ¿ھΪˮƽΣεĳȡֵƫĵӹܹpxpyΪ0ʱΪ˫ƫĵľӹܣpxpyһΪ0ʱΪƫľӹܣpxpyΪ0ʱΪľӹܡ
    2ʾͼL1Ϊ¾ؿڱ߳ȣL2ΪϾؿڱ߳ȣw1Ϊ¾ؿڱ߿ȣw2ΪϾؿڱ߿ȣhΪӹܸ߶, pxpyΪ¾ؿxyƫľ룬bΪĺȡҪL1L2w1w2hb>0pxpyȡʵ
    3pxpyֵҪ¾Ϊo㣬¾ؿֱɵֱϵȷϾoҷʱpxΪֵʱpxΪֵϾoϷʱpyΪֵo·ʱpyΪֵoغΪ0pxpyرעֵ󣬿ܻᵼ²ȷչͼ
    4չͼηϣÿֳνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
    (1)һֱ߶ΣȵL1
    (2)ͼֱL1߶˵ΪԲģLs1Lx1Ϊ뾶һ㡣ȻԽ㡢L1߶˷ֱΪԲģLs4L2ֱΪ뾶Բཻһ㣬ͼӽ뽻㡢L1߶˵㣬ɵõչͼ
    (3)ͼϻͼ˳ֱ𻭳ҲԼǰչͼչͼ԰ͼϣҲÿ鵥ϡ
    (4)չͼߣʵߣÿƴӳӹܡƴʱעⷽҪͼֽͬɷ˷ѡ


#2                   ƽбƫľ׶ܷ˵

    1ΪϿˮƽ¿б¿ھΪΣεĳȡֵƫĵӹܹpxpyΪ0ʱΪ˫ƫĵƽбӹܣpxpyһΪ0ʱΪƫƽбӹܣpxpyΪ0ʱΪƽбӹܡ
    2ʾͼL1Ϊ¾ؿڱ߳ȣL2ΪϾؿڱ߳ȣw1Ϊ¾ؿڱ߿ȣw2ΪϾؿڱ߿ȣhΪӹܸ߶, pxpyΪ¾ؿxyƫľ, aΪ¿бǶȣbΪĺȡҪL1L2w1w2hb>0-90<a<90pxpyȡʵ
    3pxpyֵҪ¾Ϊo㣬¾ؿֱɵֱϵȷϾoҷʱpxΪֵʱpxΪֵϾoϷʱpyΪֵo·ʱpyΪֵoغΪ0²ؿaͼʾȡֵ෴ȡֵpxpyaرעֵ󣬿ܻᵼ²ȷչͼ
    4չͼηϣÿֳνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
    (1)һֱ߶ΣȵL1
    (2)ͼֱL1߶˵ΪԲģLs4(Ls1)Lx1Ϊ뾶һ㡣ȻԽ㡢L1߶()˷ֱΪԲģLs1(Ls4)L2ֱΪ뾶Բཻһ㣬ͼӽ뽻㡢L1߶˵㣬ɵõչͼ
    (3)ͼϻͼ˳ֱ𻭳ҲԼǰչͼչͼ԰ͼϣҲÿ鵥ϡ
    (4)չͼߣʵߣÿƴӳӹܣƴʱעⷽҪͼֽͬɷ˷ѡǰ¿ڲһͬһƽڣʱҪ϶Խ䷽׼ȷƴӣɹֳ


#3                   бƽƫľ׶ܷ˵

    1ΪϿб¿ˮƽ¿ھΪΣεĳȡֵƫĵӹܹչǰͼʾбģʵʹбģҲһãpyֵɡ
    2ʾͼL1Ϊ¾ؿڱ߳ȣL2ΪϾؿڱ߳ȣw1Ϊ¾ؿڱ߿ȣw2ΪϾؿڱ߿ȣhΪӹܸ߶, pxpyΪ¾ؿxyƫľ, aΪϿбǶȣbΪĺȡҪL1L2w1w2hab>0px>=0pyȡʵ
    3pyֵҪ¾Ϊo㣬¾ؿֱɵֱϵȷϾoϷʱpyΪֵo·ʱpyΪֵoغΪ0pyرעֵ󣬿ܻᵼ²ȷչͼ
    4չͼηϣÿֳνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
    (1)һֱ߶ΣȵL1
    (2)ͼֱL1߶˵ΪԲģLs1Lx1Ϊ뾶һ㡣ȻԽ㡢L1߶˷ֱΪԲģLs4L2ֱΪ뾶Բཻһ㣬ͼӽ뽻㡢L1߶˵㣬ɵõչͼ
    (3)ͼϻͼ˳ֱ𻭳ҲԼǰչͼչͼ԰ͼϣҲÿ鵥ϡ
    (4)չͼߣʵߣÿƴӳӹܣƴʱעⷽҪͼֽͬɷ˷ѡǰ¿ڲһͬһƽڣʱҪ϶Խ䷽׼ȷƴӣɹֳ


#4                   ¿бƫľ׶ܷ˵

    1Ϊ¿ھΪбεĳȡֵƫĵӹܹչǰͼʾбģʵʹбģҲһãpyֵɡ
    2ʾͼL1Ϊ¾ؿڱ߳ȣL2ΪϾؿڱ߳ȣw1Ϊ¾ؿڱ߿ȣw2ΪϾؿڱ߿ȣhΪӹĵ㴹ֱ߶, pxpyΪ¾ؿxyƫľ, a1Ϊ¿бǶȣ a2ΪϿбǶȣbΪĺȡҪL1L2w1w2b>0hֵҪ֤ӹܿϣ0=<a1a2<=90px>=0pyȡʵ밴ʾݡ
    3pyֵҪ¾Ϊo㣬¾ؿֱɵֱϵȷϾoϷʱpyΪֵo·ʱpyΪֵoغΪ0pyرעֵ󣬿ܻᵼ²ȷչͼ
    4չͼηϣÿֳνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
    (1)һֱ߶ΣȵL1
    (2)ͼֱL1߶˵ΪԲģLs4Lx1Ϊ뾶һ㡣ȻԽ㡢L1߶Ҷ˷ֱΪԲģLs1L2ֱΪ뾶Բཻһ㣬ͼӽ뽻㡢L1߶˵㣬ɵõչͼ
    (3)ͼϻͼ˳ֱ𻭳ҲԼǰչͼչͼ԰ͼϣҲÿ鵥ϡ
    (4)չͼߣʵߣÿƴӳӹܣƴʱעⷽҪͼֽͬɷ˷ѡǰ¿ڲһͬһƽڣʱҪ϶Խ䷽׼ȷƴӣɹֳ


#5                   ƽ´ֱƫľ׶ܷ˵

    1ΪϿˮƽ¿ڴֱ¿ھΪΣεĳȡֵƫĵӹܹpxpyΪ0ʱΪ˫ƫĵƽ´ֱӹܣpxpyһΪ0ʱΪƫƽ´ֱӹܣpxpyΪ0ʱΪƽ´ֱӹܡ
    2ʾͼL1ΪϾؿڱ߳ȣh2Ϊ¾ؿڱ߸߶ȣw1ΪϾؿڱ߿ȣw2Ϊ¾ؿڱ߿ȣhΪӹĵ㴹ֱ߶, pxpyΪ¾ؿxyƫľ, bΪĺȡҪL1h2w1w2hb>0pxpyȡʵ
    3pxpyֵҪϾΪo㣬Ͼؿֱɵֱϵȷ¿ھoҷʱpxΪֵʱpxΪֵ¿ھoϷʱpyΪֵo·ʱpyΪֵoغΪ0pxpyرעֵ󣬿ܻᵼ²ȷչͼ
    4չͼηϣÿֳνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
    (1)һֱ߶ΣȵL1
    (2)ͼֱL1߶˵ΪԲģLs1(Ls4)Lx1Ϊ뾶һ㡣ȻԽ㡢L1߶()˷ֱΪԲģLs4(Ls1)h2ֱΪ뾶Բཻһ㣬ͼӽ뽻㡢L1߶˵㣬ɵõչͼ
    (3)ͼϻͼ˳ֱ𻭳ҲԼǰչͼչͼ԰ͼϣҲÿ鵥ϡ
    (4)չͼߣʵߣÿƴӳӹܣƴʱעⷽҪͼֽͬɷ˷ѡǰ¿ڲһͬһƽڣʱҪ϶Խ䷽׼ȷƴӣɹֳ


#6                   ϴֱƽƫľ׶ܷ˵

    1Ϊ¿ˮƽϿڴֱ¿ھΪΣεĳȡֵƫĵӹܹpyΪ0ʱΪ˫ƫĵϴֱƽӹܣpyΪ0ʱΪƫϴֱƽӹܡ
    2ʾͼL1Ϊ¾ؿڱ߳ȣh2ΪϾؿڱ߸߶ȣw1Ϊ¾ؿڱ߿ȣw2ΪϾؿڱ߿ȣhΪӹĵ㴹ֱ߶, pxpyΪ¾ؿxyƫľ, bΪĺȡҪL1h2w1w2hb>0pxľֵL1/2pyȡʵ
    3pxpyֵҪ¾Ϊo㣬¿ֱɵֱϵȷϿھoҷʱpxΪֵʱpxΪֵϿھoϷʱpyΪֵo·ʱpyΪֵoغΪ0pxpyرעֵ󣬿ܻᵼ²ȷչͼ
    4չͼηϣÿֳνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
    (1)һֱ߶ΣȵL1
    (2)ͼֱL1߶˵ΪԲģLs4(Ls1)Lx1Ϊ뾶һ㡣ȻԽ㡢L1߶()˵ֱΪԲģLs1(Ls4)h2ֱΪ뾶Բཻһ㣬ͼӽ뽻㡢L1߶˵㣬ɵõչͼ
    (3)ͼϻͼ˳ֱ𻭳ҲԼǰչͼչͼ԰ͼϣҲÿ鵥ϡ
    (4)չͼߣʵߣÿƴӳӹܣƴʱעⷽҪͼֽͬɷ˷ѡǰ¿ڲһͬһƽڣʱҪ϶Խ䷽׼ȷƴӣɹֳ


#7                   ˿ŤתǶȷ׶ܷ˵

    1Ϊ¿ھΪˮƽΣεĳȡֵƫģ¾ؿŤתһǶȵӹܹpxpyΪ0ʱΪ˫ƫĵ˿ŤתǶȾӹܣpxpyһΪ0ʱΪƫ˿ŤתǶȾӹܣpxpyΪ0ʱΪ˿ŤתǶȾӹܡ
    2ʾͼL1ΪϾؿڱ߳ȣL2Ϊ¾ؿڱ߳ȣw1ΪϾؿڱ߿ȣw2Ϊ¾ؿڱ߿ȣhΪӹĵ㴹ֱ߶, pxpyΪ¾ؿxyƫľ룬aΪؿƫתǶȣbΪĺȡҪL1L2w1w2hb>0-45<a<45aܵ0pxpyȡʵ
    3pxpyֵҪϾΪo㣬Ͼؿֱɵֱϵȷ¿ھoҷʱpxΪֵʱpxΪֵ¿ھoϷʱpyΪֵo·ʱpyΪֵoغΪ0aֱֵϰȷʱ뷽Ϊֵ˳ʱ뷽Ϊֵpxpyaرעֵ󣬿ܻᵼ²ȷչͼ
    4չͼηϣÿֳνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
    (1)һֱ߶ΣȵL1
    (2)ͼֱL1߶˵ΪԲģLs1(Ls4)Lx1Ϊ뾶һ㡣ȻԽ㡢L1߶()˵ֱΪԲģLs4(Ls1)L2ֱΪ뾶Բཻһ㣬ͼӽ뽻㡢L1߶˵㣬ɵõչͼ
    (3)ͼϻͼ˳ֱ𻭳ҲԼǰչͼչͼ԰ͼϣҲÿ鵥ϡ
    (4)չͼߣʵߣÿƴӳӹܣƴʱעⷽҪͼֽͬɷ˷ѡǰĿ¿ھͬһƽڣҪ϶Խ䷽׼ȷƴӣɹֳ


#8                   б׶ͨ˵

    1Ϊ¿ھΪˮƽε׶ͨεĳȡֵƫģ²ؿyƫӦһ¡
    2ʾͼL1ΪϾؿڱ߳ȣL2Ϊ¾ؿڱ߳ȣL3Ϊ¾ؿڱ߳ȣw1ΪϾؿڱ߿ȣw2Ϊ¾ؿڱ߿ȣw3Ϊ¾ؿڱ߿ȣhΪֱͨ߶, px1px2Ϊҡؿxƫľ룬pyΪ²ؿyƫľ룬bΪĺȡҪL1L2L3w1w2w3hpx1px2b>0px1px2>(L2+L3)/2pyȡʵ
    3pyֵҪϾΪo㣬Ͼؿֱɵֱϵȷ¿ھoϷʱpyΪֵo·ʱpyΪֵoغΪ0pyرעֵ󣬿ܻᵼ²ȷչͼ
    4չͼηϣÿֳνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
    (һ)һչͼ
    (1)һֱ߶ΣȵL1(w2<w3ΪLk1ͬ)
    (2)ͼֱL1(Lk1)߶˵ΪԲģLs4(Le4)Lx1(Lj1)Ϊ뾶һ㡣ȻԽ㡢L1(Lk1)߶Ҷ˵ֱΪԲģLs1(Le1)L2ֱΪ뾶Բཻһ㣬ͼӽ뽻㡢L1(Lk1)߶˵㣬ɵõչͼ
    (3)ͼϻͼ˳ֱ𻭳ҲԼǰչͼչͼ԰ͼϣҲÿ鵥ϡ
    (4)չͼߣʵߣÿƴӳӹܣƴʱעⷽҪͼֽͬɷ˷ѡǰ¿ڲһͬһƽڣʱҪ϶Խ䷽׼ȷƴӣɹֳ
    (һ)Ŷչͼ
    (1)һֱ߶ΣȵLk1(w2<w3ΪL1ͬ)
    (2)ͼֱLk1(L1)߶˵ΪԲģLe1(Ls1)Lj1(Lx1)Ϊ뾶һ㡣ȻԽ㡢Lk1(L1)߶˵ֱΪԲģLe4(Ls4)L3ֱΪ뾶Բཻһ㣬ͼӽ뽻㡢Lk1(L1)߶˵㣬ɵõչͼ
    (3)ͼϻͼ˳ֱ𻭳ҲԼǰչͼչͼ԰ͼϣҲÿ鵥ϡ
    (4)չͼߣʵߣÿƴӳӹܣƴʱעⷽҪͼֽͬɷ˷ѡǰ¿ڲһͬһƽڣʱҪ϶Խ䷽׼ȷƴӣɹֳ


#9                   Բɾͷ˵

    1¿ΪˮƽΣϿΪˮƽǵľΣεͬһƽڣȡֵؿ֮Բɵľͷ
    2ʾͼL1Ϊ¾ؿڱ߳ȣh2ΪϾؿڱ߸߶ȣw1Ϊ¾ؿڱ߿ȣw2ΪϾؿڱ߿ȣRΪͷת뾶aΪ¾ؿƫתǶȣbΪĺȡҪL1h2w1w2b>045<=a<=90һáR>=(L1+h2)*0.6λխR<=(L1+h2)*0.6ͷӴ
    3չͼͷԲΪչ nȷÿһߵʵnֵɲ߸ҪԶnֵԽչͼľԽߣչͼĹӦӡһȡn=8~20ѿ൱׼ȷϡ
    4չͼηϣÿֳɸνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
    (һ)չͼ
    (1)һֱ߶ΣȵLa(1)
    (2)ͼֱLa(1)߶˵ΪԲģLb(1)m1Ϊ뾶һ㡣ȻԽ㡢La(1)߶˵ֱΪԲģLa(2)m2ֱΪ뾶Բཻһ㣬ͼ˳ֱ𻭳㡣Ӹ㣬ɵõչͼ
    (3)ڲ¿ڲһͬһƽڣʱҪ䷽׼ȷƴӣɹֳ
    ()չͼ
    (1)һֱ߶Σȵw1
    (2)w1е㻭ߴֱw1ߣȡsl1(sl2)ȣȡԳƻw2ƽw1ߡ
    (3)ͼw1w2˵㣬ɵõչͼƴװʱϡ밴Բֱƴװɹֳ


#10                   عܿƫƫֱͷ˵

    1¿ΪˮƽΣϿΪˮƽ洹ֱҿǵľΣεһƫģȡֵؿ֮Բɵľͷ
    2ʾͼL1Ϊ¾ؿڱ߳ȣh2ΪϾؿڱ߸߶ȣw1Ϊ¾ؿڱ߿ȣw2ΪϾؿڱ߿ȣLΪ¾ؿˮƽ룬hΪ¾ؿڴֱ߶ȣpyΪ¾ؿƫľ룬aΪϾؿƫתǶȣbΪĺȡҪL1h2w1w2b>0h>h2/2L>w2*sin(a)pyΪʵֵòҪw1w2нϴֵһһ룬-90<=a<=90
    3չͼͷԲΪչ nȷÿһߵʵnֵɲ߸ҪԶnֵԽչͼľԽߣչͼĹӦӡһȡn=8~20ѿ൱׼ȷϡ
    4չͼηϣÿֳɸνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
    (һ)չͼǰΪϷͬ
    (1)һֱ߶ΣȵLa(1)
    (2)ͼֱLa(1)߶˵ΪԲģLb(1)mp1Ϊ뾶һ㡣ȻԽ㡢La(1)߶˵ֱΪԲģLa(2)mp2ֱΪ뾶Բཻһ㣬ͼ˳ֱ𻭳㡣Ӹ󣬴ֱLa(n+1)߻һΪLxΪh2ľΣɵõչͼ
    (3)ڲ¿ڲһͬһƽڣʱҪ䷽׼ȷƴӣɹֳ
    ()չͼ
    (1)ƽеֱ߶Σsl1(sl2)ȷֱΪw1w2ƫw;
    (2)ϵΪԲ(a<0ʱϵΪԲģw2Ϊ뾶ǶΪaĻߣ
    (3)ͼӸ˵㣬ɵõչͼƴװʱϡ밴Բֱƴװɹֳ




#11                   ԲǾؿӹܷ˵

    1Ϊ¿ھΪԲǾҿбεĳԲǰ뾶һΧڿȡֵƫĵӹܡֹǰͼʾбģʵʹбģpyֵɡ
    2ʾͼL1Ϊ¾ؿڱ߳ȣL2ΪϾؿڱ߳ȣw1Ϊ¾ؿڱ߿ȣw2ΪϾؿڱ߿ȣhΪӹĵ㴹ֱ߶ȣR1Ϊ¾ؿԲǰ뾶R2ΪϾؿԲǰ뾶 pxpyΪ¾ؿxyƫľ, a1Ϊ¿бǶȣ a2ΪϿбǶȣbΪĺȣnΪԲǵԲܵȷҪL1L2w1w2b>0hֵҪ֤ӹܿϣ0=<a1a2<=900=<R1<=L1w1нСֵ1/20=<R2<=L2w2нСֵ1/2px>=0pyȡʵ밴ʾݡ
    3pyֵҪ¾Ϊo㣬¾ؿֱɵֱϵȷͼϾƫʱpyΪֵƫʱpyΪֵƫʱ0ɡpyرעֵ󣬿ܻᵼ²ȷչͼ
    4չͼηϣÿƽֳνмԲǲֳַɸνչ㡣ݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·¿ھΪԲǾΪ
    (1)һֱ߶ΣȵLd(1)
    (2)ͼֱLd(1)߶˵ΪԲģwp1Lx1Ϊ뾶һ㡣ȻԽ㡢Ld(1)߶϶˵ֱΪԲģLa(1)wp2ֱΪ뾶Բཻһ㣻ΪԲģka(1)ka(n/4)La(2)La(n/4+1)m1m2˳Ϊ뾶ó㣬ͼֱ߻Ӹ㣬ɵõҲ弰Բǵչͼ
    (3)ͼϻͼ˳ֱ𻭳ǰԼչͼչͼ԰ͼϣҲÿ鵥ϡ
    (4)չͼߣʵߣÿôƴӳԲǾӹܣƴʱעⷽҪͼֽͬɷ˷ѡǰ¿ڲһͬһƽڣʱҪ϶Խ䷽׼ȷƴӣɹֳ




#12                   濪ؿڶ׶ܷ˵

    1Ϊ¿ΪͬĵˮƽΣεĶԱ߳ȿȡֵԱߵĲ忪оοڡ
    2ʾͼL1Ϊ¶εڱ߳ȣL2Ϊ϶εڱ߳ȣh1Ϊ׶ܵĴֱ߶ȣh2Ϊοڵ߸߶ȣLΪؿڵĿȣhΪؿڵĴֱ߶, tΪεıRΪ䴦Բǰ뾶bΪĺȡҪL2b>0Lh>=0L1>=L2h2>h/2h1>h2+h/24<=t<=24t20<=R<L2/2LֵСڲλõĿȣֵʾ
    3εÿһߴֻͬпףûпסչͼöԳͼηϣ߶ԳƷʱݰڱ߼ϣʱⲿԽǺʱԲǲְо㣬ɲչʾͼ·
    (1)һֱֱ߶Σȴhp1Ϊͼߡ
    (2)ͼhp1߶ȣԳƻֱ࣬ȷֱΪLp1Lp2Ȼ߶εĶ˵㣬ɵõչͼ
    (3)ؿڵĸ߶h2ͼĵΪģLhzΪ͸߻ԳƾΣɵõؿڵĲչͼ
    (4)ʱǰչͼLxΪ׼öԽLz͵ױߡ߷ֱǷɡ



#13                   濪ؿڶ׶ܷ˵

    1Ϊ¿ΪͬĵˮƽΣεĶԱ߳ȿȡֵԱ߲ԵĲ忪жԳƵľοڡ
    2ʾͼw1Ϊ˶ζԱߵ߿ȣw2ΪС˶ζԱߵ߿ȣLΪ׶ܵĳȣtΪεıRΪ䴦Բǰ뾶bΪĺȣnΪؿڵn1Ϊ׶ϷֿLb(i)Ϊοڵĳȣpa(i)ΪؿڵĿȣLa(i)Ϊؿڵߵ˿ڵĳȣwa(i)ΪؿڶԱߵȡҪw2b>0w1>=w2la(i)>Lb(i)/2L>La(i)+Lb(i)/24<=t<=24t20<=R<w2/20<=n<=6n1Ϊ1Сڵ4wa(i)ֵ봦ڿмУֵСʾ
    3εÿһߴֻͬ4鿪пףûпסչͼöԳͼηϣ߶ԳƷʱݰڱ߼ϣʱⲿԽǺʱԲǲְо㣬ɲչʾͼ·
    (1)һˮƽֱ߶ΣȴLpΪͼߡ
    (2)ͼLpȣԳƻֱ࣬ȷֱΪwp1wp2Ȼ߶εĶ˵㣬ɵõչͼ
    (3)ؿھױ߳xa(i)ؿϳLv(i)ؿ˵߾ya(i)yb(i)ڿpb(i)ͼӸ㣬ɵõƵnıΣǴײչͼ
    (4)ʱǰչͼLxΪ׼öԽLz͵ױߡ߷ֱǷɡ



#14                   ǶȾܷ˵

    1Ϊ¿ھΪֱΣεĳȡֵϿھ̶뾶תתİ뾶߶ȺͽǶȿ仯
    2ʾͼW1Ϊ¾ؿڱ߿ȣW2Ϊ¾ؿڱ߿ȣh1Ϊ¾ؿڱ߸߶ȣh2ΪϾؿڱ߸߶ȣhΪĴֱ߶, RΪڲת뾶aΪܵתǶȣbΪĺȡҪW1W2h1h2hRb>00<a<=360
    3չͼܵԲΪηչ nȷÿһߵʵnֵɲ߸ҪԶnֵԽչͼľԽߣչͼĹӦӣҪ6<=n<=360һ180㷶Χn12~20ѿɱȽ׼ȷϡ
    4չͼýƷϣֳnͬΣǰֳνмݰڱ߼ϣֱӸڰϣʱⲿԽǺɲչʾͼ·
   һչͼ
    (1)ⶨһԲģRx2ΪRs2Ϊ뾶S1S2ҳLp1Lp2չΪa1ɸǰһȷԲ˵㡣RxΪ뾶ͬһԲĻԲչǰͬ
    (2)ͼRx2Rs2nȷ֣ÿȷֻm1m2ѸȷֵԲߡȻԲΪ㣬ڸȷ߷ֱȡRa(i)Rb(i)ȣͼӸ㼰Բ˵㣬ɵõչͼ
   ǰչͼ
    (1)⻭һֱߣȵLe1ΪLe2
    (2)߶˵ֱΪԲģLk1Lk2h1ֱΪ뾶Բһ㣻߶ͽΪԲģh2Le2Le4Ϊ뾶Բһ㡣
    (3)ͼֱཻ㣬ɵõǰչͼ
    ƴװʱǰ밴ھƴװĹпܲҪӹʱرע⡣



