您要查找的是不是：
- the rate of speaking mandarin 普通话普及率
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- The rate of incidence of a disease. 发病率发生疾病的概率
- The rate of inflation must be held down. 通货膨胀率必须控制在低水平上。
- The rate of pay was built into her contract. 工资率已写进了她的合同。
- The rate of growth was unprecedented. 这个成长率是前所未有的。
- The economists predicted an increase in the rate of inflation. 经济学家预言通货膨胀率将会增长。
- What's the rate of exchange against the dollar? 美元的兑换率是多少?
- Imagine a rocket that can travel at the rate of light! 想象一下能以光的速度飞行的火箭。
- They have orders coming in at the rate of 30 an hour. 他们每小时接到30份定单。
- He has been grinding out cheap romantic stories at the rate of one a week. 他一直以每周一篇的速度生拼硬凑廉价的浪漫小说。
- The rate of the machine moved up sharply because of changing a big gear box. 由于换了一个大齿轮箱这台机器的速度大大提高了。
- The car was going at the rate of 60 miles an hour. 汽车以每小时六十英里的速度行驶。
- The rate of production has quickened up a lot. 生产的速度已经加快了许多。
- The train travels at the rate of 50 miles an hour. 那火车以每小时50英里的速度运行。
- The rate of inflation has increased by 2%. 通货膨胀率已增长了2%25.
- What is the rate of taxation on my video player? 我的放像机应交的税率是多少?
- You will be paid at the rate of $34 a day. 你将获得每日34元的工资。
- The rate of inflation decreased to 10% last year. 去年通货膨胀率降低为百分之十。
- Catalysis has increased the rate of reaction. 催化作用提高了反应的速度。
