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1、MainPointsofthisChapterCalculatingUnitsofQuantityoftheGoodsMethodsofCalculatingWeightChapter6QuantityofCommodityIntroductionQuantityclauseisoneoftheessentialtermsandconditionsfortheconclusionofatransactioninthecontract.Conventionrequiresthatthequantityofgoodsdeliveredshouldbeidenticaltothatc
2、alledforinthecontract,otherwisethebuyerisentitledtorejecttheportionofgoodsexcessiveinquantity,andtoclaimagainstthesellerifthequantityisfoundtobelessthanthatcalledforinthecontract.referstotheweight,number,length,volume,area,capacity,etc.whichareindicatedbydifferentmeasuringunits.Becausediffer
3、entcountrieshavedifferentsystemsoncalculatingunitssuchaslength,capacityandweight,theunitsofmeasurementvaryfromacountrytoanother.Furthermore,thesameunitofmeasurementmayrepresentdifferentquantities.SectionOneCalculatingUnitsofQuantityoftheGoodse.g.“ton”ThecommonlyusedsystemsintheworldaretheMet
4、ricSystem,theBritishSystemandtheU.S.System.UnitsofMeasurementWeightgram(g),kilogram(kg),ounce(oz),pound(Ib),metricton(M/T),longton,shortton,etc.Numberpiece(pc),package(pkg),pair,set,dozen(doz),gross(gr)ream(rm),etc.Lengthmeter(m),centimeter(cm),foot(ft),yard(yd),etc.Areasquaremeter(sqm),squa
5、refoot(sqft),squareyard(sqyd),etc.Volumecubic-meter(cum)cubiccentimeter(cucm),cubicfoot(ctft),cubicyard(cuyd),etc.Capacityliter(1),gallon(gal),pint(pt),bushel(bu),etc.长度换算MetricSystem公制ChineseSystem中国市制Britain/AmericanSystem英美制Meter米Centimeter厘米Chi尺Yard码Foot英尺Feet英寸110031.0943.280839.37010.0
6、110.030.010940.032810.39370.333333.3310.36461.09413.1230.914491.442.74313360.304830.480.91440.33341120.02542.540.07620.02780.08331容积换算MetricSystem公制ChineseSystem中国市制BritainSystem英制AmericanSystem美制Liter升ChineseLiter升BritainGallonAmericanGallon110.220.2644.5464.54611.2013.7853.7850.83311．Weigh
7、t（重量）Itisusuallyusedformineralproducts,agriculturalandby-productssuchaswool,cotton,grainsandoreproducts.E.G.metrictonorkiloton,longtonorgrosston,shorttonornetton,gram(g),kilogram(kg),ounce(oz),pound(lb),gram2．Number（个数）Constantlyusedformeasuremento
