爱色丽产品线最初的产品包括光密度仪和感光计，可用来测量光或照相密度并按参比标准对菲林进行曝光。

The X-Rite product line began with densitometers and sensitometers used to measure optical or photographic density and to expose photographic films to a standard reference.

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委员会还确定了15 个新的参比制剂，采用全球计量标准，以指导生产厂商和药品监督管理部门开展生物药品工作。

The committee also established 15 new reference preparations, which are global measurement standards that guide manufacturers and regulatory authorities on the activity of biological medicines.

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升糖指数可以通过比对标准剂量的碳水化合物与参比食物对葡萄糖的应答而得出，其中参比食物可以是纯葡萄糖(升糖指数为100)或白面包(71)。

The index was developed by testing the glucose response to a standard amount of carbohydrate against a reference food, either pure glucose (index number 100) or white bread (71).

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