度量分散情况：分散情况向我们提供了范围，或者给定数据集内数据扩散情况的度量手段。

Measuring the dispersion: the dispersion gives us a measure of the range, or spread of data within a given dataset.

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本文主要工作如下：(1)深入研究了传感器网络的数据扩散机制及其相关路由算法理论基础。

The main important work of this paper: (1). Deeply studied data diffusion mechanisms and some basic ideas of relative routing algorithms for wireless sensor network.

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有一些关于分子的扩散速率的数据。

There are data on the rates of diffusion of molecules.

《柯林斯英汉双解大词典》