midlatitude英'mɪdlætɪtjuːd美'mɪdlætɪtjuːdCOCA¹⁰¹⁹⁷³ 基本例句 中间纬度¹⁰⁰ It is shown that large scale perturbations at the midlatitude F region appear mainly as oscillations of the F layer along the magnetic field lines. 本义的模拟表明，中纬电离层大尺度扰动主要表现为磁通管内等离子体沿磁力线的振荡。 cnki