其中，时间维度方面，生命时间哲学、时间经济学、时间地理学和城市时问距离理论是研究城市休闲时间有关的重要理论。
The lifetime philosophy, the time economic, the time geography and the city time-space rationale are the main theories of the time dimension aspects.
文章就地理学研究的逻辑起点、地理学的时间和空间等基本问题进行了试探性的哲学讨论。
This paper presents a philosophical discussion about the logical beginning of geographical research, time and space in geography.
相似的模式在全美都存在。通过测量一缕头发中较重的氢氧同位素的比例，科学家们可以构建一个地理学的时间轴。
Similar patterns exist throughout the U. S. By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline.
教育地理学在中国的提出时间虽然不长，但教育地理学的研究具有重要的理论意义和实践意义。
It is not long since educational geography is put forward in Chinese which has important theoretical significance and practical significance.
通过测量一缕头发中较重的氢氧同位素的比例，科学家们可以构建一个地理学的时间轴。
S. By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline.
通过测量一缕头发中较重的氢氧同位素的比例，科学家们可以构建一个地理学的时间轴。
S. By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline.
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