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微波多普勒探测器
释义
微波多普勒探测器
Encyclopedia
工学
入侵探测器
释
microwave doppler detectors
微波多普勒探测器
由于人体移动使反射的微波辐射频率发生变化而产生报警状态的一种探测器,因其工作原理基于多普勒效应而得名。又称雷达式微波探测器。
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The Universals Archive
The Universities’Alliance Across The Strait On Cultural Creative Industries Research
The university of Chicago library(UCL)
The University of Hong Kong Libraries
The University of Manchester, UK
The University of Warwick
The Unknown Soldier
The Unlawful Justice Squad
The Unmatchable
the unmber of foreign direct investment contract enterprises (projects)
the unstable energy of an atmosphericlayer
the upper troposphere and the lower stratosphere
The Urban Institution model
the Urban Planning of Singapore
The Urgency of Changing the World
the usage of catalyst
The U.S. Department of Agriculture’s National Invasive Species Information Center
The Uses of Literacy: Aspects of Working-Class Life
The US Long Term Ecological Research Network
the US NationalInstitute of Science and Technology database
The Uyghurs in Central Asia
the vacuum (aerification) high temperature furnace used for testing machine
The Vagabond
The vagabond prince
The Valiant Ones
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