用某种分类方法，通过变更这些属性，市场研究人员可以合理的精确度测量每一属性值多少钱。

By varying these attributes in a systematic way market researchers can measure with reasonable precision how much each trait is worth.

youdao

不同的训练师会用不同的方法测量，所以每次用同一个人，同时确认那个人是在体脂测量上非常有经验的。

Different trainers will measure you in different ways, so stick with the same person each time and make sure the person is very experienced in measuring body fat.

youdao

所以你可以,在飞船里用弹簧测量,物体质量，让它振荡,如果你知道弹簧常数，这也是实际操作中,所用的方法。

So you can actually measure the mass of an object using a spring on the shuttle and let it oscillate if you know the spring constant, and that's the way it's actually done.

youdao