The switch signal was encoded directly and one state was expressed with 3 long distance sequence code, then it was transmitted through the digital relay line of telecommunication network.

对开关信号进行直接编码，采用3个连续出现的大码距字节表示开关信号的一个状态，编码后的信号利用电信网的数字中继线路传输。

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In the seventh instance, in 2000, the U.S. crossed the finish line first but later had the victory revoked after one relay member was found to have been improperly cleared of a positive drug test years earlier.

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