All three devices should become available before the end of 2010.
这三款机型应该在2010年底之前会上市。
Describe the three categories of output devices.
描述的输出设备三类。
Three of the devices were defused before they could explode.
其中三个装置在爆炸前被拆除了。
Three of the devices were defused before they could explode.
其中三个装置在爆炸前被拆除了。
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