porous anodic aluminum的用法和樣例：
例句
- Porous alumina templates were obtained by one and two-step anodization respectively.
分別採用一次陽極氧化和二次陽極氧化製備了多孔氧化鋁模板。 - A metallographic microscope is used to observe the micrographs of the porous alumina membrane anodized by first and second steps.
用金相顯微鏡觀察了一次陽極氧化和二次陽極氧化后多孔氧化鋁的表面形貌。
