种子贮藏过程中种子活力不断降低且不可逆的变化。
脂肪酸值是粮食品质劣变的灵敏指标之一。
Fatty acid value is one of sensitive indexes of grain quality.
摘要大米的吸湿性影响其贮藏稳定性，是品质劣变的诱因。
The hygroscopicity of rice influences its storage stability and is the main inducement of rice mildewing.
迪金森很快发现，美国客户并不了解“从劣变优”的审计师。
Dickinson soon dis covered that American clients did not know "good from bad" audits.
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