公司眼下只是在进行行走序列设备的测试，此种设备可以将邮件按照街道进行正确分拣，预期将二月份投入使用。

The company is only now testing walk-sequencing equipment, which sorts mail into the right order for street delivery, with a view to rolling it out in January.

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数据包在跳频序列中的位置由主设备中的一个27位计数器决定。

The position in the sequence is determined by a 27-bit counter in the master device.

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但是，可以采取抽样准备一天以上，且设备这样做的费用几乎一样序列本身一样重。

But preparing the sample can take more than a day, and the equipment to do that costs almost as much as the sequencer itself.

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