ra.di.om.e.ter
n.（名词）A device that measures the intensity of radiant energy, consisting of a partially evacuated glass bulb containing lightweight vertical vanes, each blackened on one side, suspended radially about a central vertical axis to permit their revolution about the axis as a result of incident radiation.辐射计：检测辐射能强度的一种装置，装有一个部分抽干的玻璃管，管内有若干轻质的垂直翼，每个翼的一边为黑色，在一个垂直的周围辐射悬垂，在受到投射辐射时它们可以绕轴旋转An instrument that detects electromagnetic radiation.辐射仪：一种测定电磁辐射的仪器
【引伸】
ra.diom.etry
n.（名词）
