黑麦耐贫瘠的酸性的土壤.Rye is tolerant of poor, acid soils.碳酸饮料是酸性的, 就更安全.Carbonated drinks are acidic , and slightly safer.胃传送给我的食物是高度酸性的.The food the stomach deliver to me is highly acid....
The circuit structure is using a fly-back converter voltage.这个转换器是利用返驰式电路架构实现。Two phase - shift - networks of frequency discriminator are given circuit and layout examples.本文较详细地分析了鉴频器用移相网络的特性和集成化难易点.Circuit - oriented m...