planning for practical learning on duty  顶岗实习的规划

Practical on-site test  实际现场测试

comment on learning personality  学术个性品评

effect on learning  有效产能

hands-on learning  实践教学

learning on demand  按需点播

On Learning  劝学篇

Rogers theory of learning on meaning  罗杰斯意义学习说

Study on Learning Model of Private Enterprises  民营企业学习模式研究

problem-based on learning  以问题为基础的学习

Problem-based on Learning PBL  问题学习法

additional duty on flour  面粉附加税; 连续可变凸轮相位

additional duty on sugar  糖附加税

chairman on duty  轮值主席

chief on duty  行政总值班; 值班主任

Dispatchers on duty  值班调度员

duty on alcohol  酒精税

duty on hydrocarbon oil  燃油税

duty on liquor  酒税