Selecting species which could keep green longer and appear strong growth advantage in summer in order to adapt well to climate of Beijing.
针对北京地区气候条件的特殊性，筛选绿色期长，越夏表现好的冷季型草坪草品种。
It's not that they weren't tough enough. Maybe all the things that their species were selecting for stopped being suitable to a new environment.
这并不是说他们不够坚强，也许仅仅是因为它们之前选择的那些进化特征不再适应于新的环境。
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.
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。
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