电视机的大小与最佳视距

二月 2, 2008 作者:  
类别:平淡生活

        ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????1??=2.54?? ?42??????????106.68??????????????????????????46?????45?????????????= ????÷?????×3400???????????????????

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???? ???? ???? ????
28?? 26?? 26×1.245=32.37cm 97?162cm
32?? 30?? 30×1.245=37.35cm 112?187cm
36?? 34?? 34×1.245=44.82cm 134?224cm
42?? 41?? 41×1.245=51.045cm 153?255cm
46?? 45?? 45×1.245=56.025cm 168?280cm
50?? 49?? 49×1.245=61.005cm 183?305cm
60?? 59?? 59×1.245=73.455cm 220?367cm

CRT????

???? ???? ???? ????
14?? 12?? 12×1.524=18.288cm 55?92cm
21?? 19?? 19×1.524=28.956cm 87?145cm
25?? 23?? 23×1.524=35.052cm 105?175cm
29?? 27?? 27×1.524=41.148cm 123?205cm
34?? 32?? 32×1.524=48.768cm 146?244cm
38?? 36?? 36×1.524=54.864cm 165?274cm
43?? 42?? 42×1.524=64.008cm 192?320cm
50?? 49?? 49×1.524=74.676cm 224?373cm
60?? 59?? 59×1.524=89.916cm 270?450cm

??????????????????????????????????????????????42????????????1.53~~2.55m????????????36??46????????????????????????????????????????DVD???ps3?????????1080p????????????????480i????????????????????????????????3H?4H?5H????????????????3?4?5?????????????????
      ???????????????????DVD????????????????5H???????????????????????????????????????????????720p?1080p???????????720p??????
      ?????????????PS3??BS Digital???????4H??????????????????
      ???????????????????????????3H???????????????????

???????????????(????)

??????????? 480?????????? 720?????????? 1080?????????? 3H??? 4H??? 5H???
32 2.82 1.88 1.25 1.2 1.59 1.99
37 3.26 2.18 1.45 1.38 1.84 2.3
40 3.53 2.35 1.57 1.49 1.99 2.49
42 3.7 2.47 1.65 1.57 2.09 2.61
46 4.06 2.7 1.8 1.72 2.29 2.86
47 4.14 2.76 1.84 1.76 2.34 2.93
50 4.41 2.94 1.96 1.87 2.49 3.11
52 4.59 3.06 2.04 1.94 2.59 3.24
55 4.85 3.23 2.16 2.05 2.74 3.42
56 4.94 3.29 2.19 2.09 2.79 3.49
57 5.03 3.35 2.23 2.13 2.84 3.55
60 5.29 3.53 2.35 2.24 2.99 3.74

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