A detailed analysis is made on the echos Doppler spread and range spread caused by body target spread, and on their influence on ranging.

从理论上分析了由于体目标引起的引信回波信号的多普勒展宽和距离展宽问题，以及它们对近距离扩频测距的影响。

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

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。

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Thanks to close monitoring, thorough investigations, and frank reporting from countries, we have some early snapshots depicting spread of the virus and the range of illness it can cause.

由于各国进行了仔细的监测、彻底的调查和坦诚的报告，我们已对病毒的传播以及可造成的一系列病症有了一定的初步了解。

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"With ease of international travel, and increased rates of MDR tuberculosis in eastern Europe, central Asia, and elsewhere, the threat and range of the spread of untreatable tuberculosis is very real, " the report said.

BBC: 'Visionary' leadership needed on TB

The new measures include getting spending under control, raising taxes to fund the necessary spending and eventually initiating a broader range of reforms to spread the benefits of growth to more people.

BBC: Does India have the will to reform its economy?

Their names vary from state to state or community to community and the tools that exist online are spread across a range of disconnected websites.

WHITEHOUSE: Revamping Job Training with the American Job Center