这个头像可以是网络游戏或者虚拟世界里三维立体的图像，也可以是网络论坛或社区里常用的二维平面图像。
It may take either a three-dimensional form, as in games or virtual worlds, or a two-dimensional form as an icon in Internet forums and other online communities.
他们在毫无金钱奖励的情况下，协同创作了如同《棋盘游戏“大富翁” 的历史》或《三维立体图 》这样的文章。
They collaborate to put together articles like History of the board game ‘Monopoly’ or Autostereogram without any financial reward.
他们会急切的去了解哪些地方发现了新的物种，哪些已经濒危，然后制作出非常精准且三维立体的地理仪器来选择哪些地方需要保护。
They’ve made leaps in their knowledge of where rare species are found, and which ones are at risk, and they have built far better mathematical and geospatial tools for selecting places to protect.
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