像素的含义

亚新体育иҝҷе°ұиҰҒжҸҗеҲ°PPI()еғҸзҙеҜҶеәҰиҝҷдёӘжҰӮеҝөдәҶгҖӮPPIзҡ„еҗ«д№үжҳҜ:жҳҫзӨәеҷЁеұҸ幕жҜҸиӢұеҜёжүҖжӢҘжңүзҡ„еғҸзҙж•°йҮҸгҖӮд№ҹе°ұжҳҜиҜҙдёҚз®ЎдҪзҡ„еұҸ幕е°әеҜёжңүеӨҡеӨ§,жҲ‘们е°ұеҸӘзңӢеұҸ幕дёӯдёҖиӢұеҜёзҡ„й•ҝеәҰйҮҢжңүеӨҡе°‘дёӘ像素的含亚新体育义(300dpiеғҸзҙ жҳҜеӨҡе°‘Г—еӨҡе°‘)6.еғҸзҙжҳҜз”өи„‘дёӯдё“з”Ёзҡ„еҚ•дҪҚ,е®ғзҡ„еҗ«д№үжҳҜеӣҫеғҸзҡ„жңҖе°Ҹз»„жҲҗйғЁеҲҶ,д№ҹеҸҜд»ҘеҸ«еҒҡA.зӮ№B.ж–‘C.еәҰD.еңҶ7.еңЁHTMLиҜӯиЁҖдёӯ,зү№ж®Ҡз¬ҰеҸ·вҖқзҡ„HTMLиЎЁзӨәжі•жҳҜA.&B."C.&

D.60000Г—60000еғҸзҙ7гҖҒ8bitдҪҚж·ұеәҰзҡ„еҗ«д№үжҳҜ?A.жҜҸдёӘйҖҡйҒ“дҪҝз”Ё2зҡ„4ж¬Ўж–№йҮҸеҢ–вҲҡB.жҜҸдёӘйҖҡйҒ“дҪҝз”Ё2зҡ„8ж¬Ўж–№йҮҸеҢ–C.жҜҸдёӘйҖҡйҒ“дҪҝз”Ё8зҡ„2ж¬Ўж–№йҮҸеҢ–D.жҜҸдёӘйҖҡйҒ“дҪҝз”Ё4зҡ„2ж¬Ўж–№йҮҸеҢ–

6гҖҒH亚新体育SBйўңиүІжЁЎејҸдёӯзҡ„HгҖҒSгҖҒBзҡ„еҗ«д№үжҳҜ?A:еғҸзҙB:йҘұе’ҢеәҰC:жҳҺеәҰD:иүІзӣёзӯ”жЎҲ:гҖҗйҘұе’ҢеәҰ;жҳҺеәҰ;иүІзӣёгҖ‘7гҖҒиүІзӣёжҢҮйўңиүІзҡ„зӣёиІҢ,жҜ”еҰӮзәўгҖҒз»ҝгҖҒи“қA:еҜ№B:й”ҷзӯ”жЎҲ:гҖҗеҜ№

300dpiеғҸзҙ жҳҜеӨҡе°‘Г—еӨҡе°‘

60000Г—60000еғҸзҙ6.8bitдҪҚж·ұеәҰзҡ„еҗ«д№үжҳҜ?жҜҸдёӘйҖҡйҒ“дҪҝз”Ё2зҡ„4ж¬Ўж–№йҮҸеҢ–жҜҸдёӘйҖҡйҒ“дҪҝз”Ё2зҡ„8ж¬Ўж–№йҮҸеҢ–жҜҸдёӘйҖҡйҒ“дҪҝз”Ё8зҡ„2ж¬Ўж–№йҮҸеҢ–жҜҸдёӘйҖҡйҒ“дҪҝз”Ё4зҡ„2ж¬Ўж–№йҮҸеҢ–7.еҸҜд»ҘеёҰжңүAlphaйҖҡйҒ“зҡ„иүІ

е’Ң1080pдёҖж·,1440pзҡ„жҮеҮҶе®ҡд№үдёәеһӮзӣҙж–№еҗ‘еғҸзҙзӮ№ж•°йҮҸдёә1440,жңӘ规е®ҡж°ҙе№іж–№еҗ‘еғҸзҙзӮ№гҖӮ4K4Kзҡ„е№ҝд№үе®ҡд№үдёәж°ҙе№іеғҸзҙжҺҘиҝ‘4000йҮҸзә§зҡ„еҲҶиҫЁзҺҮ,иҷҪ然е№ҝд№үдёҠ4Kзҡ„е®ҡ

2KеҸҠ4Kзҡ„еҗ«д№ү2K:дёҖиҲ¬2KжҳҜжҢҮжЁӘеҗ‘еҲҶиҫЁзҺҮеӨ§дәҺ2000еғҸзҙзӮ№зҡ„и§Ҷйў‘жјејҸ,еӣдёә2Kжң¬иә«е°ұдёҚжҳҜдёҘжјзҡ„е®ҡд№ү,йӮЈд№Ҳд№ҹеҸҜд»ҘжҠҠ1080PзңӢдҪңжҳҜ2K,иҷҪ然жҮеҮҶзҡ„FHDеә”иҜҘжҳҜ,иҫҫдёҚеҲ°

еұһжҖ§еҗ«д№үеҸ–еҖјwidthе®ҡд№үи§ҶеҸЈзҡ„е®ҪеәҰ,еҚ•дҪҚдёәеғҸзҙжӯЈж•ҙж•°жҲ–и®ҫеӨҮе®ҪеәҰdevice-е®ҡд№үи§ҶеҸЈзҡ„й«ҳеәҰ,еҚ•дҪҚдёәеғҸзҙжӯЈж•ҙж•°жҲ–device--scaleе®ҡд№үеҲқе§Ӣзј©ж”ҫеҖјж•ҙж•°жҲ–е°Ҹж•°

е…үеӯҰй•ңеӨҙCRAеҸӮж•°зҡ„еҗ«д№үи§ЈйҮҠе’Ңж‘ҳиҰҒ:CRA()зӣёжңәй•ңеӨҙдёҺдјж„ҹеҷЁзҡ„йӣҶжҲҗCRA(д»Һй•ңеӨҙзҡ„дјж„ҹеҷЁдёҖдҫ§,еҸҜд»ҘиҒҡз„ҰеҲ°еғҸзҙдёҠзҡ„е…үзәҝ像素的含亚新体育义(300dpiеғҸзҙ жҳҜеӨҡе°‘Г—еӨҡе°‘)然еҗ亚新体育ҺжҷәиғҪжүӢжңәзҡ„еұҸ幕еҲҶиҫЁзҺҮйҖҗжёҗиҝҮжёЎеҲ°1080pзҡ„ж—¶д»ЈгҖӮж№жҚ®жҮеҮҶе®ҡд№ү,1080pзҡ„еһӮзӣҙеғҸзҙж•°дёә1080,дҪҶжІЎжңүжҢҮе®ҡж°ҙе№іеғҸзҙж•°гҖӮдҪҶеңЁ16:9е®Ҫй«ҳжҜ”еұҸ幕зҡ„жөҒиЎҢиғҢжҷҜдёӢ,1080pиў«еҫ®