您要查找的是不是：
- 四倍RAMBUS信号级QRSL Quad Rambus Signaling Levels
- 四four
- 四倍fourfold
- 基准信号级reference signal level
- 信号级联放大signaling cascade
- 四倍的quadruple
- 他的蛋糕是我的四倍大。His cake is four times as big as mine.
- 荷兰的居民是纽约州的三分之二，而纽约州却是荷兰的四倍大。Holland has two-thirds the inhabitants of the state of New York, which is four times the size of Holland.
- 四倍色载波信号quad chrome
- 八十二十的四倍；八十Four times twenty; eighty.
- 是20的四倍80 is the quadruple of 20. 80
- 乘四的；四倍的Multiplied by four; quadruple.
- ...的四倍the quadruple of... ...
- 四倍体种a tetraploid species.
- 声音在水中的速度是空气中的四倍左右The speed of sound in water is about four as great as in air.
- 四倍速率QDR Quad Data Rate
- 这条街道比那条短四倍。This street is four times shorter than that one.
- 四倍式quadruple
- 四倍地quadruply
- 四倍频quadruple
