会签：在文件或合同上签字的另一方签字，以确认或批准原始签字人的签名。
a second confirming signature endorsing a document already signed
同义词： countersignature / countersign
副签
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.
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。
To counter hacking threats, Humphreys recommended that the Department of Homeland Security fund creation of an authentication signature for civilian GPS signals.
为了对付黑客的威胁，堪建议国土安全部基金设立认证签名的民用GPS信号。
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.
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).