phase-contrast的用法和樣例：
辭彙搭配
- contrast phase microscope 相差顯微鏡
- phase-contrast microscope 相襯顯微鏡
- phase contrast 相襯
- phase contrast condenser 相差聚光鏡
- phase contrast microscopy 相差顯微術,相襯顯微...
- phase contrast method 相襯法
- phase contrast microscope 相差顯微鏡,相襯顯微...
- phase-contrast microscopy 相差顯微鏡檢查...
