jì / shù / yuán / gēng / huàn / le / gāo / bèi / wù / jìng / yǐ / biàn / kàn / qīng / yàng / pǐn / zhōng / de / xì / jié技术员更换了高倍物镜,以便看清样品中的细节。The technician replaced the high-power objective to see the details in the sample more clearly.