disk ratio造句

例句与造句

1. The distinction between spiral galaxies and lenticular galaxies is often simpler to analyze as the dividing line is often set at a particular bulge-to-disk ratio.
2. They have much higher bulge-to-disk ratios than typical spirals and do not have the canonical spiral arm structure of late-type galaxies, yet may exhibit a central bar.
3. It's difficult to find disk ratio in a sentence. 用disk ratio造句挺难的