只是在极短的时期，及其狭窄的空间范围内。
It's only for a short period, and within very narrow margins.
不同时间和空间范围内社会生活的不同在于他们的文化模式不同。
The social life in different time and space differ in their different culture.
以所建议的算法，可以有效地在规定相空间范围内找到各种P—K解；
With proposed reasonable and efficient algorithm, all intersted P-K point in a fixed state space range can be obtained.
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