quality of the sample 基本例句 样品质量 The samples processed by freeze-drying do not shrank in volume and is no change in structure after dewatering, and quality of samples is well for microstructure analysis.采用此干燥制样技术使软粘土样品失水后体积不收缩,无结构变化,样品质量可满足微结构研究的精度要求。