单词：water immersion objective
water immersion objective的用法和样例：
例句
- 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。
单词：water immersion objective 相关文章
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