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高亮度(dù )的投影(yǐng )画面,如果(guǒ )长(zhǎng )时(shí )间(jiān )看(kàn ),会损害(hài )视力(lì )。事(shì )实上,在(zài )背景(jǐng )光(guāng )线较(jiào )暗的情况?800流明的投影机就已经(jīng )能满足需要。如果不(bú )在白?或(huò )者灯火通(tōng )明时在家大放(fàng )投?那么800~1000流明(míng )的产?
剧情简介高亮度(dù )的投影(yǐng )画面,如果(guǒ )长(zhǎng )时(shí )间(jiān )看(kàn ),会损害(hài )视力(lì )。事(shì )实上,在(zài )背景(jǐng )光(guāng )线较(jiào )暗的情况?800流明的投影机就已经(jīng )能满足需要。如果不(bú )在白?或(huò )者灯火通(tōng )明时在家大放(fàng )投?那么800~1000流明(míng )的产?
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