我们都知道全球化所指的不只是时空的压缩（time-space compression），它同时还代表具体化生产活动的全球链结化，以及资金、人员与商品流动的渐次放松管制化，简言之，生产要素的流动上自由化。
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他们可能意识到声音是通过空气传播的波，并可能有声音传播时空气压缩的概念。
They probably realized that sound was a wave propagating through the air and may have had a notion of the compressibility of air during sound propagation.
数天前还需几天才能到达的地方，如今只需几个小时就能抵达，火车大大压缩了全国数百万人的时空体验。
Connecting places in hours, that until recently took days to reach, the train has dramatically shrunk to time-space experience for millions of people across the nation.
在双向压缩条件下，研究了一种非均匀断层模型标本在变形过程中的声发射(AE)时空特征。
The spatial and temporal distribution of acoustic emission (AE) during the deformation of samples containing an inhomogeneous fault have been studied under biaxial compression condition.
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