substage condenser iris造句

例句与造句

1. If the substage condenser iris is closed down then all of the direct light is focused into a small image of the opening in the substage condenser iris at the back focal plane of the objective.
2. If the substage condenser iris is closed down then all of the direct light is focused into a small image of the opening in the substage condenser iris at the back focal plane of the objective.
3. It's difficult to find substage condenser iris in a sentence. 用substage condenser iris造句挺难的