petrographic microscope的用法和樣例：
例句
- He focuses the lens of a microscope.
他調整顯微鏡的透鏡以定焦點(diǎn)。 - The growth of optical anistropy of the mesophase was observed continuously under a hot stage optical microscope.
聚合產(chǎn)物在熱臺偏光顯微鏡下觀(guān)察中間相轉化行為。 - A metallographic microscope is used to observe the micrographs of the porous alumina membrane anodized by first and second steps.
用金相顯微鏡觀(guān)察了一次陽(yáng)極氧化和二次陽(yáng)極氧化后多孔氧化鋁的表面形貌。
