They contacted Facebook, which at the time dominated the social media landscape, asking for help scouring uploaded family photos - to see if Lucy was in any of them. But Facebook, despite having facial recognition technology, said it "did not have the tools" to help.
英國南極考察局旗下的各研究站負責監測不同的野生動物與環境議題。「哈利六號」專注於太空與大氣資料，同時研究其所在的布倫特冰架（Brunt Ice Shelf ），以及地球臭氧層空洞。。业内人士推荐同城约会作为进阶阅读
Number (11): Everything in this space must add up to 11. The answer is 5-5, placed horizontally; 6-0, placed horizontally.。同城约会是该领域的重要参考
Mathematical animations for the web.