管理体育教师专业素养的原则应该是目标性原则、前瞻性原则、效益性原则和活力性原则。

The management principle for PE teachers' professional quality shall be a target principle, a prediction principle, an efficiency principle and a vitality principle.

youdao

运用重要性原则有利于把握住问题的实质，抓住关键点，最终实现“较小的成本、较大的效益”的目的。

Using the important principle is in favor of the essence to take hold of the essence of problem, at last realizes that less cost can bring more benefit.

youdao

运用重要性原则，有利于把握住问题的实质，抓住关键点，最终实现“较小的成本、较大的效益”的目的。

By using the principle of materiality, we can favorably hold the crux of the matter or the key points, and ultimately achieve our aim of "lower cost but higher benefit".

youdao