通过观察存在于极端环境下的生物，研究人员发现液态水只能在有限范围内的温度和压力下供生物使用这些发现会让科学家对外太空生命的搜寻集中到太阳系来。 莱恩威弗说：“我们猜想在地球上找到的这些限制条件是限制所有以水为支撑的生命的基础。”
After compiling observations of life in extreme environments, the researchers found that liquid water in only a limited range of temperatures and pressures can support life.
湘南泥盆系碳酸盐岩的沉积环境，可以区别为四种类型：台地相、广海陆棚相、生物礁相及台盆相。
The sedimentary environments of the Devonian carbonate formations in southern Hunan, China can be divided into four types: platform, open marine shelf, bioherm, and platformbasin facies.
生物系从1998年起试行了“2 +1”的教育实习，即在传统的教学实习基础上增加了生态环境教育。
In 1998, the biology department began to experiment the "2 + 1" teaching practice, which means to add ecology education to the traditional teaching pattern.
这里我们可以回想起这样一种情况，即十分相似的非生物环境产生了十分不相似的植物区系。
We may recall here that very similar abiotic environments have given rise to a very dissimilar flora.
生物礁是一种对海洋环境十分敏感的生态系，晚二叠世的火山作用势必影响到当时生物礁的生长和沉积相的演化。
Because reefs are peculiar ecosystems extremely sensitive to environment change, late Permian volcanism would surely have affected the reef growth and evolution of facies.
现今，对它的研究主要集中在大、小鼠及医药领域，有关环境指示生物的报道很少，目前还未见农药对鲫鱼P450酶系影响的研究报道。
Nowadays, its main focus in the study is the medical field, however, only relatively few papers about Cytochrome P450 enzyme system has been reported in environmental indicator organism up to date.
对不同覆盖条件下甘蔗试验地土壤微生物区系研究的结果表明，不同覆盖条件为微生物提供了特殊的土壤生态环境，使土壤理化性状发生了一定变化。
In order to study the role of wetland soil on the purifying the micro-polluted water, soil-bacteria system is built to study experimentally in Yuqing Lake in Jinan.
对不同覆盖条件下甘蔗试验地土壤微生物区系研究的结果表明，不同覆盖条件为微生物提供了特殊的土壤生态环境，使土壤理化性状发生了一定变化。
In order to study the role of wetland soil on the purifying the micro-polluted water, soil-bacteria system is built to study experimentally in Yuqing Lake in Jinan.
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