Physics teaching depends on teaching physics exercises, if want to improve the quality of the physics teaching, should improve the effectiveness of teaching physics exercises.

物理教学离不开物理习题教学，若要提高物理教学的质量，就应提高物理习题教学的有效性。

youdao

On the effects of nuclear physics courses in scientific quality education.

关于原子核物理教学在科学素质教育中的作用。

youdao

From its physics function character, quality is inferior, and have descendent tendency.

从其物理性能而言，质量较低，且有下降的趋势。

youdao

There's an off-the-cuff quality to the storytelling here -- the movie rewrites its own laws of physics whenever it's convenient to do so -- which by rights should be a bigger problem than it is.

CNN: Review: 'Iron Man 3' a sweetly calibrated blockbuster