practicer的翻译

Teachers are direct bearer of educational practice and practicer of educational reform. Only by establishing the perfect educational mechanism of teachers, can the openness, quality-control, integration and lifetime way of teachers 'education be promoted so as to stimulate the development of teachers' specialization.

教师是教育实践的直接承担者和教育变革的实施者，只有建立健全教师教育机制，才能促进教师教育开放化、质量化、一体化和终身化，从而促进教师专业化的发展。

In order to enable the practicer to study the table tennis technology well and achieve the goal of building their body and exercise, considering the characteristics of the table tennis served, a new kind of table tennis serving machine was designed in this thesis.

为了使练习者能更好地学习乒乓球技术以达到健身和训练的目的，本文针对乒乓球发球的特点，从总体上设计了一种新型的乒乓球发球机：自动乒乓球发球机。

Educational theory is able to buildup reflection consciousness of educational practicer, and advance reflection ability of educational practicer. Finally, for value seletion of educational practicer, educational theory is the direction.

教育理论有利于增强教育实践者反思的自觉性；有助于提高教育实践者反思的能力和水平。最后，教育理论对教育实践者价值选择的导向作用。