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亚太计算机应急联盟组织(APCERT)
APCERT cooperates with CSIRTs (Computer Security Incident Response Teams) to ensure Internet security in the Asia Pacific region, based around genuine information sharing, trust and cooperation.
PageRank：6 / 10
AlexaRank：3328569
人气指数：2286
收录时间：2021-06-05
Internet Research Task Force(IRTF)
The IRTF is managed by the IRTF Chair in consultation with the Internet Research Steering Group (IRSG).
PageRank：6 / 10
AlexaRank：4451795
人气指数：1828
收录时间：2020-01-21
网上心理测验
采用Item Response Theory（IRT）技术，进行Computerized Adaptive Testing（CAT）方式的中文网络心理测验。
PageRank：4 / 10
AlexaRank：1339273
人气指数：2547
收录时间：2021-02-21
E-Cards
hundreds of photos and animations to choose from for online greetings. Great cards for birthdays and other special occasions. Every card you send helps support nature and the environment.
PageRank：5 / 10
AlexaRank：297220
人气指数：2349
收录时间：2021-07-13
Regards.com
The web's largest collection of free greeting cards including free birthday ecards, animated e-cards, and free holiday ecards.
PageRank：5 / 10
AlexaRank：493549
人气指数：1943
收录时间：2012-09-30