shí yàn rén yuán / yòng / xiǎn wēi jìng / cè liáng / xiān xīn zhí jìng / yǐ / jiǎn chá / zhè pī / guāng xiān / shì fǒu / fú hé / guī gé

实验人员用显微镜测量纤芯直径，以检查这批光纤是否符合规格。

The technicians used a microscope to measure the core diameter and check whether this batch of optical fibers met specifications.