这不过是计量局对贵公司的一次例行检查。

This is just a routine check on your company by the Bureau of Standard Measurement.

实验所是国家计量院全球互认协定的签署成员之一，该协定由国际计量局经办。

SCL is a signatory to the Global Mutual Recognition Arrangement for National Measurement Institutes operated by the International Bureau of Weights and Measures.