纯度的英文：
fineness
hall mark
pureness
purity
purity quotient
rate of purity

参考例句：
  • A quantitative assessment of homogeneity or uniformity.
    纯度同质性或一致性的定量评估
  • All certified batches of suck colors must meet stringent chemical purity standards in their manufacture.
    所有这些法定的色素在制造时必须符合严格的化学纯度标准。
  • Chroma: A quality of colour. It refers to the purity, saturation, vividness, intensity or strength of a colour.
    彩度:彩度是颜色的一个特质。它描述颜色的纯度、饱和度、鲜明度、量度和强度。
  • The purity seems to have fallen.
    纯度似乎一直在下降。
  • The government has an official standard for the purity of silver.
    政府对于银的纯度定有官方的规格。
  • Effects of concentrations of reactants on purity and time under high pressure：
    反应物浓度对产品纯度及高压时间的影响
  • The solidity of a building,argument,metal
    建筑物的坚固性、论据的可信性、金属的纯度.
  • However, the company cannot vouch for their safety or purity.
    但该公司无法保证假冒产品的安全性或纯度。
  • Our top priority with the QC system must be the product purity. If it's not pure enough we can't sell it.
    我们的QC体系的首要任务肯定是产晶纯度。如果产品纯度不够，就卖不出去。
  • The aspect of color that includes consideration of its dominant wavelength and purity.
    色度色彩的角度，包括其显著的波长和纯度的因素
fineness是什么意思：
n. 优良,精致;细微;敏锐
  • Fine feathers make fine birds.
    美丽的羽毛造就美丽的小鸟(人要衣装)。
  • Fine feathers make fine Birds
    佛要金装,人要衣装
  • It is a fabric of fine fiber.
    它是一种质地细的织物。
hall是什么意思：
n. 门厅，正门过道；走廊；礼堂，大厅；宿舍楼；大庄园府邸
  • Behind the Resting Hall is the Hall of Saint's activities.
    寝殿后面是圣迹殿。
  • She introduced the visitors into the hall.
    她把参观者引进大厅。
  • The lights were on in the hall and in the bedroom.
    门厅和卧室的灯都亮着。
mark是什么意思：
n. 符号；记号；分数，成绩；污点；迹象
v. 做记号；做标记；表明方位；标志；庆祝
  • Marking: Every package shall be marked with “SM” in diamond and marked the package number.
    麦头每件包装应刷上菱形图案内有二字,并应刷上件号
  • impress a mark on [ upon ] a surface=impress a surface with a mark
    在表面上打记号
  • To mark or mottle with spots.
    有斑点，成斑驳用点作标记或使斑驳杂色

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