巴黎城外的一个玻璃罩里存放着一个铂铱合金圆柱体，这个圆柱体就是全世界测量物体质量的参照标准。
In a laboratory vault outside Paris is a small cylinder of platinum - iridium alloy that serves as the standard for all mass measurements worldwide.
测量学无非包括基本概念，信度效度的分析，常模参照测验和标准参照测验，测验的制作过程。
Measure learn no more than to include basic idea, the letter spends the analysis that effect spends, constant model consults exam and standard consult exam, the making process of exam.
巴黎城外的一个玻璃罩里存放着一个铂铱合金圆柱体，这个圆柱体就是全世界测量物体质量的参照标准。
In a laboratory vault outside Paris is a small cylinder of platinum-iridium alloy that serves as the standard for all mass measurements worldwide.
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