pilot balloon
Of or pertaining to a diet (assembly).
A suburb in the south of the Metropolitan Borough of Birmingham, West Midlands, England (OS grid ref SP0480).
Obsolete form of Holi (“Hindu festival”).
(meteorology) A small unmanned balloon whose ascent is followed by a theodolite to obtain data for the computation of the speed and direction of winds in the upper air.
気象学者は嵐の前に上空の風を測定するため、夜明けに経緯儀で追跡する小型無人気球を放した。
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DiQt
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