The ratio of the work done by the machine ( C )the work done on it is called the efficiency of the machine.A against B with C to D for为什么选C?

翻译Find the ratio of the following The elements of a compound occur in a fixed mass ratio.请问fixed mass ratio the ratio between A and the ratio test 比率检定 , the ratio of 1.6近日翻译英语合同碰到了下面一句话：*** and *** will bear the cost and share the profits jointly accordingly to the PPB costs and the ratio fo 1.6.ratio fo 1.6怎么理解,请大家不吝赐教! Taking the ratio to the next 请问A与B的比,怎么用英语表达?The ratio of A to B.The ratio of A and B.这两句都可以吗? 关于汽车工业的one of the principal objects of the road vehicle industry is to improve the performance/weight ratio the weights of two boys are in the ratio 5:4lf the weight of the thinner boy is 48kg ,what is the weight of the other the lengths of two rivers are in the ratio 12:7the length of the longer one is 42km .find the length of the shorter one 小问一下ratio和proportion的区别啊!the ratio of teachers and students is very high和the proportion of meat to bones in a fowl可以ratio和proportion互换吗? marginal utility/ price what does the ratio of MU to P for a produce mean? Absolute sensitivity is the ratio of the change of the output signal to the change of the measurand如何翻译啊 The weights of two boys are in the ratio 5:4.If the weight of the thinner boy is 48 kg ,what is theweight of the other? The success of the method could be measured in terms of the ratio of the answer list to the number 求正确翻译,意思最好要准确点 是英文版的哦!find the value of ratiofind the value of ratio :1.2million :360 thousand. 解答英语应用题1.The weights of two boys are in the ratio 5:4.If the weight of the thinner boy is 48kg,what is the weight of the other?2.The lengths of two rivers are in the ratio 12:7.The length of the longer one is 42km.Find the length of the 1.The weights(重量) of two boys are in the ratio 5:4.If the weight of the thinner boy is 48kg,what is the weihgt of the other?2.The lengths(长度) of two rivers are in the ratio 12:7.The length of the longer one is 42km.Find the length of the shor