常見例句雙語例句As the increase of temperature and light intensity, fruit sugar acid ratio decreased.隨溫度和光照強度增加，果實糖酸比降低。The effect of alcohol to acid ratio, reaction time and temperature, the catalyst amount were investigated.討論了醇酸比、反應時間、催化劑用量對收率的影響。Phosphorus modification could increase the B/L acid ratio and improve the activity, stability and attrition resistant performance of the catalyst.改性可使B/L酸比例提高，同時改善催化劑的活性、穩(wěn)定性及抗磨性能。 返回 acid ratio