This traffic demand forecast model is established based on regression analysis, time value model and gravity distribution theory.

该模型基于回归分析、时间价值原理与重力分布原理预测交通量建立。

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Merely changing the way in which gravity ACTS on normal matter cannot explain this distribution.

仅修正引力对普通物质的作用方式是无法解释这一情形的。

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Therefore it is considered that the decrement of gravity vertical gradient is caused by mountain mass distribution.

分析了佘山重力垂直梯度偏小的原因，认为这是由于山体质量分布引起的。

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Handling is impressive for a vehicle that weighs in a bit over 4600lbs -- thanks in great part to the low center of gravity, near 50-50 weight distribution and active air suspension.

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The lithium-ion batteries are liquid cooled and packaged in a 4-inch thick slab that covers the entire floor pan of the car for a low center of gravity and a near 50-50 weight distribution.

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Since both are affected by gravity they are attracted to each other, so the distribution of normal, visible matter acts as a proxy for the distribution of dark matter.

ECONOMIST: Astronomy