恐龙专家约翰·霍纳和一些人质疑目前记录在册的至少有50种恐龙被错误地鉴定了。
Dino expert John Horner and others suspect that at least 50 dinosaurs on the record books now have been incorrectly identified.
投票记录机的一个特殊要求是，您 真正地希望它们运行 完全 相同的软件， 那些软件通过了鉴定，要在选举中使用。
One of the special requirements for voting machines is that you really want them to be running exactly the same software that has been certified for use in elections.
这张来自芝加哥大学的图片，是一份官方支出记录，记录了约公元前500年波斯波利斯(Persepolis)附近五座村庄至少600夸脱至今未鉴定的商品。
This image, from the University of Chicago, is an administrative record of the payout of at least 600 quarts of an as-yet unidentified commodity at five villages near Persepolis in about 500 B.C..
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