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- 4-RPR（RR）4-RPR (RR)
- 4-RPR机构mechanism 4-RPR
- 用4乘以10multiply 10 by 4
- 2加2得4。Add 2 and 2 to get 4.
- 乘4two by four 2
- 一月差4天a month less 4 days
- 以4乘9。to multiply 9 by 4 .
- 异形4Alien Resurrection
- 正方形可定义为具有4条等边的矩形。A square may be defined as a rectangle with four equal sides.
- 2除8等于4。Eight divided by two is four.
- RPL组连锁基因频率677CT/1793GA明显高于正常对照组(RR=4.92)。And the frequency of linkagegenes of 677CT/1793GA was higher in the RPL group than in the control (RR=4.92).
- 4分钟走1英里 。to do a mile in four minutes.
- 早餐要花4英镑。Breakfast cost four pound.
- 是4的两倍。Eight is the double of four. 8
- 连续4天for four consecutive days
- 这两对夫妇4人一行，一起去度假了。The two couples made a foursome and went on holiday together.
- 那样的话，你出差不会超过4天吧?In that case you will not stay longer than four days?
- 8和20的公约数是4。Eight and twenty cancel by four.
- 由他们4人分担责任sharing the responsibilities between the four of them
- 练习 3.4: 控制 APExercise 3.4: Controlling the AP
