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n. 拇指指纹；[比喻]印章；[美俚]个性特征
?拇纹征
拇纹征
Now the company is expanding with the launch of its Audio Thumbprinting technology so that people can interact with television shows and TV commercials in new ways.
FORBES: MMS Launching Its Check-ins For TV Shows, Commercials
thumbprinting:
thumbprint +? -ing
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