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u׃ཹcR

rg:2012-05-19     Դ:۠ۿ

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uMཹcR---ԪԯR uMཹcRƬɇlĸ߿ƼaƷͬһRƬϴhxIJͬȔҟoκκEWˮaƷ10ǰͱV\A͜pҕȔ...

u׃ཹcRmhҕXҕҰp{ЧpȔ

uMcR

uMཹcɇlĸ߿ƼaƷͬһϴhxͬȔҟoκκEWˮaƷ10ǰͱV\A͜pҕȔ

ĿǰRChҕRۄtڿ ֵȴĽxWrʹͬӵĶȔ۽ޠ^{SLҕlҕȔuMƬʹõҕȫCͬrmp˿rĶȔ{SL˴ιR֕rÛĬFA͜pҕȔuMཹcR ƽҕRƬԭǼṩhͬĽҕȔ澏{M_pҕȔӵЧ

OӋԭ

ԓRƬOӋYʽÄxTȣöཹcOӋԭRƬ ϼⷶ^ľxͬo費ͬĽҕȔһRṩhͬĽҕȔcǣֻҪһRԸ

ТWҕR󲿷֕rgǽxpȽҕDzҪ{ϽҕRҪ{@ӸҕXƣɽҕ^mlչ

۾{C

a=r-pA=R-Prhcm

RעҕhcD

pcm

PעҕcD

a{m

A{̶ȣD

۵hcohr=∞tp=100/∞=0

c10cmp=10cmP=100/10=10D

a=∞→10cmA=10-0=10D

xĘ˜ʞһߣ33cm

Oעҕ33cmĿ

1õ{A=P-R=3.0-0=3.0D

2ҕ3.00DA=3.00-+3.00=0D{

3hҕ3.00DA=3.00--3.00=6.00D

4ҕA=3.00-+5.00=-2.00D

ϿԿhҕ^õRLڽx۾ؓӄҕƣᘌ@}F͵ĝuMཹcRĿǰuMཹcRҕо߀^ɹWоBrownLeung199179912q-1.00D-4.00Dcy1-1.50DpȲ1.25DăͯMоSC֞錦սMձRMuMཹcM¼ӹ+1.50DuMཹcM¼ӹ+2.00Dÿһ׷ۙYuMཹcҕRăͯSSLȌսMҕҲ^ҽyӋW@xʾӹȔcҕĿƳ̶PҕͯXuMཹcR^mƣ

uMཹcRc

1hһBmʹͬxҕﶼ_^ߵ

2f{{pҕƣuMཹcRڼӹBmͬxòͬ܉𵽅f{ʹ֮p{ɁyµĽҕlչҿԜpҕƣڵĮa

3uMཹcR߱ͨ^m{^λ_˄ȡЧoppenоJһuMཹcR^۵\cȻҕXОO

4^cձRױܣ

 

һRƬ——ܿhܿ

ڜp^{ԭ, ҕRuMཹAͣͬһRƬ,ṩhxIJͬȔ,Dԭ:

hù^guM ù^

`ڽҕڽxrp-1.50----2.00

hù^:λRƬϰ벿,ͬͨҕRƬһ,ܳChҕ^hxw

ù^λRƬ°벿mϿȔhù^p-150D^r򲻕ͨҕRƬǘӱ횳~{@pޠ^{ʹw׃Ķ_ƽҕӵ

10MMguM⎧ҕȔϵupʹhɂ^Ȼ㕽ֻ΢D_Å^

ͨ^ՓOӋoՓκξxw۾{ʹСĶЧx֕rÛĬFpSLAҕİlίԽҕԼƽҕ

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