科学家也担心失去新近发现的或待发现有着独特新陈代谢方式和未知的遗传方法的微生物。
Scientists are also concerned about losing recently discovered and yet-to-be discovered microorganisms with unique metabolisms and unexplored genetics.
对于还有多少未知的小行星有待发现，每个机构都提供了电脑模拟结果，做出了各自不同的假设。
Each group offered computer simulations of how many unseen asteroids would be spotted, making different assumptions.
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