Bill Gates' prediction is going to happen - "place-based" education will be less important than distance-education in the near future.
比尔·盖茨的预言确实会成真。在不久的将来，远程教育将会比实体教育更重要。
Analyzing the change laws of distance in phase space to deformation in backfill, a prediction model is built based on phase space reconstruction with gray theory.
用灰色理论研究充填体变形在相空间中相点距离的演变规律，建立了重构相空间的灰色预测模型。
Analyzing the change laws of distance in phase space to deformation in backfill, a prediction model is built based on phase space reconstruction with gray theory.
用灰色理论研究充填体变形在相空间中相点距离的演变规律，建立了重构相空间的灰色预测模型。
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