7英寸等于长多少厘米宽多少厘米？ 7英寸屏幕长宽各多少厘米? 长比宽是16:9
7\u82f1\u5bf8\u7b49\u4e8e\u957f\u591a\u5c11\u5398\u7c73\u5bbd\u591a\u5c11\u5398\u7c737\u82f1\u5bf8 = 17.78\u5398\u7c73\uff0c\u5982\u679c\u6309 4 \uff1a3 \u7684\u6bd4\u4f8b\uff0c\u5c4f\u5e55\u5bbd\u5ea6\u7ea6\u4e3a 14.22 \u5398\u7c73\uff0c\u5c4f\u5e55\u9ad8\u5ea6\u7ea6\u4e3a 10.67 \u5398\u7c73\u3002
\u89e3\u7b54\u8fc7\u7a0b\u5982\u4e0b\uff1a\u8bbe\u957f\u4e3a4x\uff0c\u90a3\u4e48\u5bbd\u4e3a3x\u3002
\u5219\u67094x\u7684\u5e73\u65b9+3x\u7684\u5e73\u65b9=17.78\u7684\u5e73\u65b9\uff0c\u89e3\u7684x=3.556.
\u90a3\u4e484x=4\u00d73.556=14.22cm\u30023x=3.556\u00d73=10.668cm\u3002
7\u82f1\u5bf8\u901a\u5e38\u60c5\u51b5\u4e0b\u53ea\u662f\u4e00\u4e2a\u957f\u5ea6\u5c3a\u5bf8\uff0c7\u82f1\u5bf8\u6839\u636e2.54\u00d77=17.78\u5373\u7ea6\u7b49\u4e8e17.78\u5398\u7c73\u3002
\u82f1\u5bf8\uff08\u540b\uff09\u662f\u4f7f\u7528\u4e8e\u8054\u5408\u738b\u56fd(UK,\u5373\u82f1\u56fd(\u82f1\u8054\u90a6)\u53ca\u5176\u524d\u6b96\u6c11\u5730\u7684\u957f\u5ea6\u5355\u4f4d\uff0c\u4e00\u822c\u4e3a1in=2.54cm\uff0c\u5728\u82f1\u5236\u91cc\uff0c12\u82f1\u5bf8\u4e3a1\u82f1\u5c3a\uff0c36\u82f1\u5bf8\u4e3a1\u7801\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u5728\u6db2\u6676\u663e\u793a\u5668\u4e2d\uff0c\u89c4\u683c\u4e00\u822c\u670917\u5bf8\u300119\u5bf8\u300122\u5bf8\u7b49\u3002\u5728\u624b\u673a\u4e2d\uff0c\u5c4f\u5e55\u5c3a\u5bf8\u73b0\u5728\u4e00\u822c\u67094.0\u5bf8\u30014.2\u5bf8\u30014.5\u5bf8\u30014.7\u5bf8\u30014.8\u5bf8\u30015.0\u5bf8\u30015.2\u5bf8\u30015.5\u5bf8\u30015.7\u5bf8\u30016.44\u5bf8\u7b49\u3002
\u5728\u5e73\u677f\u7535\u8111\u4e2d\uff0c\u5c4f\u5e55\u5c3a\u5bf8\u4e00\u822c\u67097.9\u5bf8\u30019.7\u5bf8\u300112.9\u5bf8\u3002\u663e\u793a\u5c4f\u7684\u5927\u5c0f\u901a\u5e38\u4ee5\u5bf9\u89d2\u7ebf\u7684\u957f\u5ea6\u6765\u8861\u91cf\uff0c\u4ee5\u82f1\u5bf8\u5355\u4f4d\u3002\u82f1\u5bf8\u5728\u8fd9\u91cc\u4e00\u822c\u7b80\u79f0\u201c\u5bf8\u201d\u3002
\u82f1\u5bf8\u7684\u5355\u4f4d\u8f6c\u6362\uff1a
\uff081\uff091mil=1/1000inch=0.00254cm=0.0254mm.
\uff082\uff091inch=1000mil=2.54cm=25.4mm.
\uff083\uff09\u5728\u82f1\u5236\u91cc\uff0c12\u82f1\u5bf8\uff08\u540b\uff09\u4e3a1\u82f1\u5c3a\uff08\u544e\uff09\uff0c36\u82f1\u5bf8\u4e3a1\u7801.
\uff084\uff091\u82f1\u5bf8=16mm\uff08\u6570\u7801\u611f\u5e94\u5668\uff09.
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1\u2014\u2014\u82f1\u5bf8
\u957f\u6bd4\u5bbd\u662f16:9\uff0c7\u82f1\u5bf8\u7684\u957f\u7ea6\u4e3a15.5\u5398\u7c73\uff0c\u5bbd\u7ea6\u4e3a8.7\u5398\u7c73\u3002
1\u82f1\u5bf8(in)=2.54\u5398\u7c73(cm)\uff0c7\u82f1\u5bf8(in)=17.78\u5398\u7c73(cm)
\u8ba1\u7b97\u65b9\u6cd5\u5982\u4e0b\uff1a
\u89e3\u8bbe\u957f\u4e3aX\uff0c\u5bbd\u4e3a9X/16\uff1aX²+(9X/16)²=(17.78)²
X\u224815.5
\u6240\u4ee5\uff0c7\u82f1\u5bf8\u7684\u624b\u673a\uff0c\u5982\u679c\u5c4f\u5e55\u6bd4\u4f8b\u662f16\uff1a9\u7684\u8bdd\uff0c\u957f\u5927\u698215.5\u5398\u7c73\uff0c\u5bbd\u5927\u69828.7\u5398\u7c73\u3002
\u6269\u5c55\u8d44\u6599
\u5bbd\u5c4f\u7684\u6982\u8ff0\uff1a
\u6211\u4eec\u4e00\u822c\u628a\u5c4f\u5e55\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u7684\u6bd4\u4f8b\u79f0\u4e3a\u957f\u5bbd\u6bd4\uff08Aspect Ratio\uff0c\u4e5f\u79f0\u4e3a\u7eb5\u6a2a\u6bd4\u6216\u8005\u5c31\u53eb\u505a\u5c4f\u5e55\u6bd4\u4f8b\uff09\uff0c\u5bbd\u5c4f\u7684\u7279\u70b9\u5c31\u662f\u5c4f\u5e55\u7684\u5bbd\u5ea6\u660e\u663e\u8d85\u8fc7\u9ad8\u5ea6\u3002
\u6807\u51c6\u7684\u5c4f\u5e55\u6bd4\u4f8b\u4e00\u822c\u67094:3\u548c16:9\u4e24\u79cd\uff0c\u4e0d\u8fc716:9\u4e5f\u6709\u51e0\u4e2a\u201c\u53d8\u79cd\u201d\uff0c\u6bd4\u598215:9\u548c16:10\uff0c\u7531\u4e8e\u5176\u6bd4\u4f8b\u548c16:9\u6bd4\u8f83\u63a5\u8fd1\uff0c\u56e0\u6b64\u8fd9\u4e09\u79cd\u5c4f\u5e55\u6bd4\u4f8b\u7684\u6db2\u6676\u663e\u793a\u5668\u90fd\u53ef\u4ee5\u79f0\u4e3a\u5bbd\u5c4f\u3002\u6b64\u5916\uff0c\u5982\u679c\u8fd8\u6709\u6bd4\u8f83\u7279\u6b8a\u7684\u6bd4\u4f8b\uff0c\u4f8b\u598221:9\uff0c\u5f53\u7136\u4e5f\u7b97\u5bbd\u5c4f\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1\uff1a\u5c4f\u5e55\u6bd4\u4f8b
如果按 4 ：3 的比例，
屏幕宽度约为 14.22 厘米
屏幕高度约为 10.67 厘米
7英寸等于17.78厘米 如果是屏幕七英寸的话 说的是对角线的长度
17.78cm
绛旓細闀挎瘮瀹芥槸16:9锛7鑻卞鐨勯暱绾︿负15.5鍘樼背锛屽绾︿负8.7鍘樼背銆1鑻卞(in)=2.54鍘樼背(cm)锛7鑻卞(in)=17.78鍘樼背(cm)璁＄畻鏂规硶濡備笅锛氳В璁鹃暱涓篨锛屽涓9X/16锛歑²+(9X/16)²=(17.78)²X鈮15.5 鎵浠ワ紝7鑻卞鐨勬墜鏈猴紝濡傛灉灞忓箷姣斾緥鏄16锛9鐨勮瘽锛岄暱澶ф15.5鍘樼背锛屽澶ф8.7鍘...
绛旓細7鑻卞 = 17.78鍘樼背锛屽鏋滄寜 4 锛3 鐨勬瘮渚嬶紝灞忓箷瀹藉害绾︿负 14.22 鍘樼背锛屽睆骞曢珮搴︾害涓 10.67 鍘樼背銆傝В绛旇繃绋嬪涓嬶細璁鹃暱涓4x锛岄偅涔堝涓3x銆傚垯鏈4x鐨勫钩鏂+3x鐨勫钩鏂=17.78鐨勫钩鏂癸紝瑙ｇ殑x=3.556.閭ｄ箞4x=4脳3.556=14.22cm銆3x=3.556脳3=10.668cm銆7鑻卞閫氬父鎯呭喌涓嬪彧鏄竴涓暱搴﹀昂瀵革紝7鑻卞...
绛旓細闀挎瘮瀹芥槸16:9锛7鑻卞鐨勯暱绾︿负15.5鍘樼背锛屽绾︿负8.7鍘樼背銆1鑻卞(in)=2.54鍘樼背(cm)锛7鑻卞(in)=17.78鍘樼背(cm)璁＄畻鏂规硶濡備笅锛氳В璁鹃暱涓篨锛屽涓9X/16锛歑²+(9X/16)²=(17.78)²X鈮15.5 鎵浠ワ紝7鑻卞鐨勬墜鏈猴紝濡傛灉灞忓箷姣斾緥鏄16锛9鐨勮瘽锛岄暱澶ф15.5鍘樼背锛屽澶ф8.7鍘...
绛旓細1. 闀垮害鍗曚綅鎹㈢畻锛7鑻卞绛変簬17.78鍘樼背銆2. 灞忓箷灏哄鎹㈢畻锛氳嫢灞忓箷瀵硅绾夸负7鑻卞锛屾寜鐓4:3鐨勬瘮渚嬶紝灞忓箷瀹藉害澶х害涓14.22鍘樼背锛岄珮搴﹀ぇ绾︿负10.67鍘樼背銆3. 鑻卞涓庡叾浠栭暱搴﹀崟浣嶇殑鍏崇郴锛1鑻卞=2.54鍘樼背锛1鑻卞=25.4姣背锛1鑻卞=0.0254绫筹紝1鑻卞=0.762鑻卞銆4. 甯歌闀垮害鍗曚綅鎹㈢畻锛1鍗冪背=1000绫筹紝1绫...
绛旓細7鑻卞灞忓箷鐨勯暱绾︿负15.49鍘樼背锛屽绾︿负8.72鍘樼背銆傞鍏堬紝鎴戜滑闇瑕佷簡瑙ｅ睆骞曠殑瀵硅绾块暱搴﹀拰闀垮姣斾緥涔嬮棿鐨勫叧绯汇傚湪杩欎釜闂涓紝灞忓箷鐨勫瑙掔嚎闀垮害鏄7鑻卞锛岄暱瀹芥瘮渚嬫槸16:9銆傝繖鎰忓懗鐫灞忓箷鐨勫搴︽槸楂樺害鐨9/16銆傛帴涓嬫潵锛屾垜浠彲浠ヤ娇鐢ㄥ嬀鑲″畾鐞嗘潵璁＄畻灞忓箷鐨勯珮搴﹀拰瀹藉害銆傚嬀鑲″畾鐞嗘槸涓涓熀鏈殑鍑犱綍瀹氱悊锛屽畠鍛婅瘔鎴戜滑...
绛旓細7鑻卞=7*2.54=17.78cm 锛16^2+8^2)鐨勫紑鏂逛负18.36 闀夸负17.78*16/18.36=15.5cm 瀹戒负17.78*9/18.36=8.7cm
绛旓細1. 7鑻卞灞忓箷鐨勯暱瀹芥瘮涓16:9銆2. 鎸夌収1鑻卞绛変簬2.54鍘樼背鐨勬崲绠楁爣鍑嗭紝7鑻卞绛変簬17.78鍘樼背銆3. 璁惧睆骞曢暱涓篨鍘樼背锛屽涓9X/16鍘樼背锛屾牴鎹暱瀹芥瘮鐨勫钩鏂瑰拰绛変簬灞忓箷鎬诲搴︾殑骞虫柟锛岃В寰梄绾︾瓑浜15.5鍘樼背锛屽绾︾瓑浜8.7鍘樼背銆4. 鍥犳锛7鑻卞灞忓箷鐨勬墜鏈猴紝鑻ラ伒寰16:9鐨勯暱瀹芥瘮锛屽叾闀垮害澶х害涓15.5鍘樼背锛...
绛旓細7鑻卞 = 17.78鍘樼背 濡傛灉鎸 4 锛3 鐨勬瘮渚嬶紝灞忓箷瀹藉害绾︿负 14.22 鍘樼背 灞忓箷楂樺害绾︿负 10.67 鍘樼背
绛旓細1. 7鑻卞灞忓箷鐨勫昂瀵告崲绠椾负鍘樼背鏄細1鑻卞绛変簬2.54鍘樼背锛鎵浠7鑻卞绛変簬17.78鍘樼背銆2. 灞忓箷闀垮姣斾緥涓16:9鏃讹紝璁惧睆骞曢暱涓篨鍘樼背锛屽鍒欎负9X/16鍘樼背銆傛牴鎹嬀鑲″畾鐞嗭紝X² + (9X/16)² = (17.78)²銆3. 瑙ｆ柟绋嬪緱鍒癤 鈮 15.5鍘樼背锛屽洜姝ゅ睆骞曠殑闀垮ぇ绾︿负15.5鍘樼背锛屽澶х害涓8.7...
绛旓細涓冭嫳瀵稿睆骞闀跨害涓15.5鍘樼背锛屽绾︿负8.7鍘樼背銆傛崲绠楅暱鍜屽鐨勬柟娉曪細锛堟彁绀猴細1鑻卞鈮2.54鍘樼背 7鑻卞=7*2.54=17.78鍘樼背锛夋柟娉曚竴锛氾紙16^2+8^2)鐨勫紑鏂逛负18.36 闀夸负17.78*16/18.36=15.5cm 瀹戒负17.78*9/18.36=8.7cm 鏂规硶浜岋細瑙ｈ闀夸负X锛屽涓9X/16锛歑²+(9X/16)²=...
