This text introduce the situation of naturalenvironmental anticorrosive test of composite materials and it's coat on the Marine climate condition. And analysis the result of test.
Under naturalcondition, the ware parameters changed in respond to the changes of seasons, growth and development stages and environmental conditions.
研究还表明，在自然条件下元宝枫幼树上述水分参数随季节和生长节律以及环境条件的变化发生有规律的变化。
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Result showed that the environmental quality of Zhangjiajie is mainly in good condition, and natural environment conditions have significant influences on the environmental quality for tourism.