The system is flexible, allowing two different models to roll off the line in exactly the required numbers.
整个系统非常灵活，可以准确按各自需要的数量，同时装配两个不同的车型。
Off-line data transmission is simply the use of a telephone or similar link to transmit data without involving a computer system.
脱机数据传输是简单地利用电话或类似的链路来传输数据，不包括计算机系统。
This turns Twitter intoan early-warning system (like a canary in a coalmine) for spotting negativebuzz and heading it off before it doesreal damage toyour bottom line.
这样可让Twitter变成一种预警机制 （有点象煤矿里的金丝雀），用于发现消极的发言，并在这些发言伤害到你的底线之前化解掉。
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