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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"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