第二个问题是自然环境问题。
这点十分重要，尤其是在我们近来正设法解决各种自然环境问题的此刻。
This is important, especially with all of the environmental problems we are trying to deal with these days.
全球问题是在2 0世纪出现的，它包括自然环境问题、社会问题和人自身的问题等。
Global problems emerged in the 20th century, including environmental problems, social problems and problems about human self.
他决定找一个熟悉自然环境的人来解决这个问题。
He decided to find someone who knew the natural environment well to solve the problem.
如果你能花几分钟享受自然环境就更好了，将会帮助你清醒头脑，让你在一天中忙碌的时间里冷静的处理问题。
Clear your head. Calm yourself during a busy time of your day.
当然，夏威夷群岛的自然环境—适宜的气候，充沛的降雨，肥沃的土壤都为迁移来的动植物的生长及繁衍创造了良好的条件，从而引发了上面的问题。
Much of the problem has to do with the nature of the islands themselves. Their moderate climate, plentiful rainfall, and fertile soil cause most immigrants to live long and prosper.
所有的问题都始自小婴儿肠道的自然环境。
The problems all begin because of the natural condition of the intestine of a very young infant.
要知道问题的答案，就不能单单从自然环境和后天养育入手。
有感于环境问题的日益严重，人类开始重新思考与自然环境的关系。
Because of the critical environmental problem, people begin to ponder the relation between mankind and environment.
经济系统和自然环境通过物质与能量流动相互联系，而物质流与能量流的失衡是环境问题产生的关键原因。
Economy and environment are linked by material and energy flow, while the imbalance of the flow is the key cause inducing environmental problems.
在考虑人与自然环境关系的同时，从社会制度层面来调整人与社会的关系，是解决环境问题的关键。
It is the key to solving environmental problems to adjust man-society relationship on the social system level with the relationship between man and natural environment in consideration.
海原县生态建设存在着资源浪费、某些制度安排缺陷、自然环境承载力不足等问题。
The eco-environment construction of Haiyuan county exists such problems as resource waste, imperfect system arrangement and insufficient carrying capacity of natural environment.
本文论述了长江中游平原的资源特点，分析了自然环境的演变过程，并探讨了开发利用中存在的问题及其合理利用的途径。
In this paper, the characteristics of natural resource of the Middle Reach Plain of Changjiang River is introduced and the evolution of its natural environment is also analysed.
今天，我们的自然环境质量已经成为一个重要问题。
Today the quality of our natural environment has become an important issue.
又，在寒冷地域的海上等自然环境相当恶劣条件下混凝土结构的耐久性问题是另外一个重要研究题目。
Also, in the cold region sea and so on, natural environment is extremely bad condition, the durability of the concrete structure is other important research topic.
摘要：近年以来，自然环境越来越恶化，人们对宜居问题已开始反思。
Abstract: : in recent years since, natural environment more and more worse, people on livable problem has started to reflect on.
自然资源的消耗和自然环境的保护，是全球的热点问题。
Natural resources consumption and natural environment protection are world-wide controversial issues, and packages are closely connected with them.
针对大气环境中的数据监测与模式识别问题，应用人工神经网络理论，在自然环境大气腐蚀试验网站建立大气环境质量B - P网络评价模型。
Aim at data inspection and mode identification of atmospheric environment, B-P network evaluation mode was established by the application of artificial neural network theory.
针对大气环境中的数据监测与模式识别问题，应用人工神经网络理论，在自然环境大气腐蚀试验网站建立大气环境质量B - P网络评价模型。
Aim at data inspection and mode identification of atmospheric environment, B-P network evaluation mode was established by the application of artificial neural network theory.
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