operating distance短语¹⁴⁴⁹⁷²⁺² 基本例句 工作距离，作用距离;运营里程 However, the millimeter wave radiometric images possess low spatial resolution and have near operating distance because of the confinement of the antenna aperture size. 然而受天线孔径的限制，毫米波辐射探测器获得的图像空间分辨率太低，极大地限制了作用的距离。 cnki