professional development program短语¹⁴⁴⁹⁷²⁺² 基本例句 专业发展计划 Thus, the research indicates which parts of each of the models are candidates for inclusion in a competency- based online- teaching professional development program. 因此，研究表明这些模型的每个要求都是以能力为基础的网上教学专业的必须。 yeeyan