Your counter signature is not in agreement with the signature on the upper left corner.

您的复签和左上角的签字不一致.

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Enclosed please find our Sales Contract No. in duplicate for your counter-signature. Please sign and return one copy to us for our records as soon as possible.

随函附上我方号合同一式两份，请会签后尽快寄回一份供我方备案。

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It's a signature move from the maverick veteran senator, one clearly designed to energize the Republican party, counter Democratic nominee Barack Obama's message of generational change and court women voters.

FORBES: Magazine Article

The report suggests the future of counter intelligence may not lie with spies but with hi-tech ways of collecting information, called measurement and signature intelligence (MASINT).

BBC: US losing hi-tech spying race