目前，葡萄酒质量的鉴别主要靠感官分析和理化指标分析的方法来确定。
Quality identification of wine relay primarily on the standards of sensory evaluation and physic-chemistry.
黄酒中挥发酯含量的测定是评价黄酒质量的一项较重要的理化指标，也是一项不易准确检测的分析项目。
Volatile esters content in yellow rice wine was an important index to assess wine quality and also an analytic item hard for accurate measurement.
作者分析了其劣化的原因、过程、产物以及其理化指标随里程的变化规律。
The deterioration causes, process, products, and the change law of physicochemical index along with the mileage have been analyzed.
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