Water is man 's indispensable material condition for existence.
水是人类生存所必需的物质条件。
We are in this material condition of life means we are in danger.
我们处在物质生命状况中,这就意味着我们身处险境。
Under the same parent material condition, urease activity was significantly correlated with forming time and maturity of soil.
在母质相同的情况下,脲酶活性高低又与成土时间的长短和土壤熟化程度呈正相关。
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