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1、 附录 4 度量衡比较表 4.1 Length Metric System Chinese System Anglo-American System 1 meter(或 m) (米) =3 chi(市尺) =1.0936 yd.(码) 10 meters =3 zhang(市丈) =10.936(码) 1 kilometer(或KM) (千米化) =2 li(市里) =1,039.6(码) Chinese System Metric System Anglo-American system 1 chi(市尺) =1/3meter(米) =1.0936 ft.(英尺) 1 li(市里) =0.5
2、 kilometer(千米) =0.3107 mile.(英里) Anglo-American system Metric System Chinese System 1 in.(英寸) =2.54 cm(厘米) =0.762 cun(市寸) 1 ft.(英尺) =0.3804 m(米) =0.9144 chi(市尺) 1 yd.(码) =0.9144 m(米) =2.7432 chi(市尺) 1 mi.(英里) =1.6093 km(千米) =3.2187 li(市里) 4.2 Area Metric System Chinese System Anglo-American System 1
3、 square meter(平方米) =9sq.chi(平方尺) =1.196 sq.yd.(平方码) 1 are(公亩) =900 sq.chi(平方尺) =119.6 sq.yd.(平方码) 1 square kilometer(平方千米) =4 sq. li(平方里) =0.386 sq.yd.(平方英里) 1 hectare (ha) (公顷) =15 mu(亩) =2.471 acres.(英亩) Chinese System Metric System Anglo-American System 1mu (亩) =1/15 hectare(公顷) =0.1644 acre(英亩)
4、Anglo-American system Metric System 1 sq.in.(平方英寸) =6.452(平方厘米) 1 sq.ft.(平方英尺) =929(平方厘米) 1 sq.yd.(平方码) =0.8361(平方米) 自动化专业英语 300 300 Anglo-American System Chinese System Metric System 1 acre (英亩) =6.07mu(亩) =40.4687 ares(公亩) 640 acre(英亩) =10.36 sq.li(平方里) =2.59 km(平方千米) 1 sq.mi.(平方米) =2.59 km(平方千米)
5、1 township(区) =93.24 km(平方千米) 4.3 Capacity Metric System Chinese System Anglo-American System 1 decilitre(分升) =1 he(市合) 1 litre（升） =1 sheng（升） =0.264 U.S.gallon(美制加仑) =0.22 British gallon(英制加仑) =0.9081 dry quart(干量夸脱) =1.0567 liquid quart(液量 夸脱) 10 litres（升） =1 dou(市斗) 100 litres（升） =1 dan(市石) =2.83
6、8 bushels(蒲式耳) =26.418 gallon(加仑) 4.4 Weight Metric System Chinese System Anglo-American System 1 gram(克) =2 fen(分) =0.0355 oz.(英两) 100 gram(克) =2 liang(两) =3.55 oz.(英两) 1 kilometer (千克) =2 jin(斤) =2.2046 lb(磅) 1 quintal (公担) =2 dan(担) =220.46 lb.(磅) Chinese System Metric System Anglo-American syste
7、m 1 liang(两) =50 grams(克) =1.7657 oz.(英两) 1 jin(斤) =0.5kg(千克) =1.1023 oz.(英两) 1 dan(担) =50 kg(千克) =0.0492 long ton (英吨) =0.0551 short ton(美吨) Anglo-American System Metric System 1 lb.(磅) =0.4536 kg.(千克) 1 short ton(美吨) =0.90718 metric ton (公吨) 1 long ton(英吨) =1.120 short ton(美吨) 附录 4 度量衡比较表 301 301
8、4.5 Density 1 g. per .(克/立方厘米) =0.03613 lb. per cu.in.(磅/立方英寸) 1 kg. per cu.meter(千克/立方米) =0.06243 lb. per cu.cm.(磅/立方英尺) 1 lb. per cu. in(磅/立方英寸) =27.680 g. per cu.cm(克/立方厘米) 1 lb.per cu.ft(磅/立方英尺) =16.081 kg. per cu. meter(千克/立方米) 4.6 Force 1,000,000 dynes(达因) =2.2481 lb.(磅) =1.020 kg.(千克) 1 kg.(千
9、克) =2.2046 lb.(磅) =980,655 dynes(达因) 1 lb.(磅) =0.4536kg.(千克) =444,822(达因) 4.7 Pressure 1 bar(巴) =10 的 6 次方达因/平方厘米 1 ft. of water(英尺水) =62.4 lb. per sq.ft.(磅/平方英尺) =0.433 lb. per sq. in.(磅/平方英尺) 1 in. of mercury(英寸汞) =1.134 ft. of water(英尺水) =0.4912 lb.per sq. in.(磅/每平方英寸) 1 atmosphere (大气压) =1.013 巴
10、=1,013 毫巴 =14.697 lb. per sq. in.(磅/平方英寸) =33.9 ft. of water(英尺水) 1 lb. per sq. ft.(磅/平方英尺) =4.8824 kg. per sq. m(千克/平方米) 1 lb. per sq. in.(磅/平方英尺) =0.07031 kg. per sq. cm.(千克/平方厘米) 1 kg. per sq. cm.(千克/平方厘米) =14.223 lb. per sq. in(磅/平方英寸) =32.8 ft.of water(英尺水) 1 ton per sq.ft.(吨/平方英尺) =13.889lb.pe
11、r sq. in.(磅/平方英寸) 4.8 Energy 1 ft.-lb(英尺.磅) =1,356joules(焦耳) 或 watt-sec.(瓦特.秒) 1 joule(焦耳) =10（的 7 次方) ergs() =10 dyne-cm() 1 horse-power-hr.(英制马力.小时) =1.98*10(对次方) ft. -lb.(英尺磅) =0.7457 kw-hr.(千瓦.时) =2.544 btu. (英国) 自动化专业英语 302 302 1 kw-hr.(千瓦.时) =1.341horse-power-hr.(马力小时) =3.411 btu.(英国热单位) =2.65
12、4*10(的 6 次方) ft.-lb(英尺磅) 1 btu.(英国热单位) =778.4ft.-lb.(英尺磅) =0.252 kcal.(千卡) 1 meter-kilometer(米.千克) =7.233ft.-lb.(英尺磅) 4.9 power 1 horse-power(马力) =33.000 ft. -lb. per min.(英尺.磅/分) =550 ft.-lb.persec.(英尺.磅/秒) =0.7457 kw.(千瓦) =0.7066 Btu.per-sc(英国热单位/秒) 1 kw.(千克) =1.341 h.p.(英制马力) =737.5 ft.-lb. per s
13、ec.(英尺.磅/秒) 1 horse-power =1.0139 metric horse-power (公制马力) 4.10 Speed 1 rad.per sec.(弧度/秒) =9.5496rev.per min(转数/分) =0.15916 rev.per sec.(转数/秒） 1 rev.per min(转数/分) =6 deg.per sec(度/秒) 1 ft.per sec.(英尺/秒) =0.6818mile per hr.(英里/时) 1 mile per hr.(英里/时) =83 ft.per min.(英尺/分) 1 mile per hr.(英里/时) =83 f
14、t. per min.(英尺/分) =1.4467 ft.per sec.(英尺/秒) 4.11 Circle 1 circle(圆周) =4 quadrants(象限) 1 quadrant(象限) =90 degree(*) (度) 1 degree(*) (度) =60 minutes() (分) 1 minute() (分) =60 second(“) (秒) 1 rad.(弧度) =1/2p circle(圆周) =57.2958 deg.(度) =3,437.75 min.(分) =206,265 sec.(秒) 附录 4 度量衡比较表 303 303 4.12 Temperature nC(摄氏度数) =(n*1.8) +32(华氏度数) mF(华氏度数) =(m-32) *5/9(摄氏度数)
