The researchers found that each unit increase in body mass index (BMI) was associated with a 6 percent lowered risk for normal-tension glaucoma.
研究者们发现，体重指数（BMI）每增加一个单位，患正常眼压型青光眼的风险就降低6%。
2
Stretching can also elongate the muscle-tendon unit, reducing the tension placed on the tendon during activity, thereby reducing the chemical changes that cause degeneration.
伸展也可以拉长肌键单位，减少活动时在肌键上的张力，进而减少会导致肌腱变性的化学变化。
3
This paper deals with a load cell and its control unit for measuring strip tension.