oil-immersion objective

• 油浸接物镜； 油浸物镜

oil-immersion objective的用法和样例：

例句

1. The oil-immersion objectives just described admit a wider cone of rays than a dry objective of the same diameter would.
   刚才描述的油浸物镜与直径相同的干物镜相比，可容纳更宽的光线锥。