青年中文school bells的意思
school bells中文翻譯：
校鈴
相似詞語短語
school meals───學校供給的飯菜（schoolmeal的名詞復數）
school bags───書包
school books───教材
school bus───校車
school buses───校車
school fees───學費
school meal───學校供膳
school milks───n.學校膳食用乳
school years───學年
雙語使用場景
For example, school bells ring to let students know it is time for class.───例如，學校響鈴是為了提醒學生該上課了。
In this design, the PLC of S7 series of Siemens Company of Germany is used to control the school bells.───本設計中采用德國西門子公司S7系列PLC對校園電鈴進行控制。
how to improve the control systems of school bells and make it adapt the new development of education has become the competitive problems of research.───如何改善校園作息時間系統使其適應現代教育新發展的要求，已經成為竟相研究的課題。