Oasis Beach Longwan dam and the Gobi, two ecology, separated by a river, a strong contrast, the rolling dunes and the Heart Island in the distance across the river. 9 of the Yellow River, more than Longwan Johnson.
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To solve this problem, the two questions must be answered: what is the constraint that the nature resources and ecology environment put on the economic activity of human being?
要解决这个问题，两个问题必须得到回答。 自然资源和生态环境到底给人类经济活动施加什么样的约束?。
There are two development pattern can be choosen ("T"and"Y"), but people must consider to protect the ecology environment and surround cities development.
增量土地的扩展模式有两种：“T”型和“Y”型。 在乌鲁木齐市用地空间扩展时必须考虑到乌鲁木齐市的生态环境以及与周边城市的关系。
This paper presents for the first time information on the reproductive ecology of two dioecious fig species, mainly on their phenology, the reproductive behaviors of associated fig wasps and ecology.
本文主要从榕树物候学、榕小蜂繁殖行为学和生态学三个方面展开对西双版纳热带雨林下的歪叶榕和假斜叶榕两种榕树的繁殖机制研究。
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