subradar

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Below an area being investigated by radar. not-comparable
    — One of the major difficulties with this method is that the largely unknown planetary topography can introduce errors in round trip travel times as much as 5 μs (i.e., the subradar point could be a mountaintop or a valley) […]

词源

From sub- + radar.
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