请问 at a rate of 3 to 1 是什么意思呢?谢谢

请问 at a rate of 3 to 1 是什么意思呢?谢谢 at the rate of ten a 请问：at rate time to full 翻译成中文是什么? The present value of $100 due in 5 years at a 3% discount rate.RT 请问Deduction and Refund of Input Tax在税收中是什么意思?The entity supplying taxable transactions must remit the GST,applied at the standard rate to the GSTexclusiveconsideration,which it receives (output tax) to the revenue authority in A Most investments are expected to appreciate at a steady rate. Why Mammals with a high rate of respiration need to have a high heart rate. at a speed of和 at a rate of有区别吗 冠词能用the吗 The test of a first rate of intelligence is to have two opposed ideas at the same time and still retain the ability to function Rate yourself on a scale of one to ten. This popular car is now being turned out at the rate of a thousand a week.请问这句话怎么理解. 英语翻译Regulatory requirements which required banks to deposit a certain percentage of their deposits with the Reserve Bank at a low rate of interest encouraged the development of methods of meeting the demands of borrowers without having to fun Your brother starts out 10 minutes before you on a bike path an rides at a rate of 9 miles per hour.If you ride at a rate of 12 miles per hour,how long will it take you to catch up to him?A:1/4hourB:1/2hourC:2/3hourD:3/4hour9/6 = 12t - 9tFirst,your b The excursion boat on the river takes 2.5h; hours to make the trip to a point 12 miles upstream and to return.If the rate at which the boat travels in still water is 5 times the rate of the river current,what is the rate of the current? A 400 gallon tank initially contains 100 pounds ofsalt in a mixture of 200 gallons of brineAnother brine containing 2 lb.of saltper gallon is being added to the tank at a rate of 10 gallons per minute.Themixed brine in the tank flows out at a rate of 英语翻译Locking differentials work by temporarily locking together a differential's output shafts,causing all wheels to turn at the same rate,providing torque in case of slippage. 请问这句话可以这样写么?In spite of America's divorce rate is high,most Americans dream of hoping to have a happy marriage. Brandon and Shanda walk to grandma's house at a rate of 4 mph.they ride their bicycles back home at a rate of 8 mph over the same route that they walked .it takes one hour longer to walk than ride .how long did it take them to walk to Grandma's?