英语语法分析

The relationship between submaximal activity of the lumbar extensor muscles and lumbar posteroanterior stiffness.

腰椎后前的刚度之间的关系非最大活性的肌肉和腰伸肌。

Submaximal ideal and subminimal ideal of semiring; 2. In this paper, the concept of subminimal ideal of semiring is introduced.

提出了半环的次极小理想的概念，讨论了半环的次极小理想的基本性质，并得到了一些相关的结论。

An increase in submaximal intensity training for elite endurance athletes does not appear to further enhance either endurance performance or associated physiological variables.

次最大强度训练对经过长期训练的高水平耐力运动员的运动成绩和相关生理指标的提高作用甚少。