space time variation 时空变化
space time variation law 时空变化规律
space-time variation law 时空变化规律
space-time distribution variation 时空分布变化
time space variation 时空变化
time-space variation 时空变化
time-space variation pattern 时
Space-time variation of gravity in Xi'an since 1992 is summarized.
概述了1992年以来西安地区的重力场时空变化特征。
Firstly, the characteristics of debris-flow sediment transportation such as intensity, granule gradation and space-time variation were discussed on the base of continuous observation data.
在连续观测资料的基础上，对泥石流输沙的强度、级配和时空分布特征进行了分析。
The conclusion is: It's a variation in space, not in time.
结论是：它是空间的变化，而非时间的。
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