频谱密度:初中 用英语怎么说?
来源:百度文库 编辑:查人人中国名人网 时间:2024/05/03 15:55:03
谢谢了
Junior high school;
Secondary school:
Middle school
外国人最容易理解的说法就是secondary school
小学:primary school
初中:sccondary school
高中:middle school
大学:university,college
junior school
junior high school
junior middle school
junior school