circumference ratio造句

例句与造句

1. Please remember that the schwarzschild radius is a theoretical radius that the hole would have, if it's diameter to circumference ratio would be pi.
2. Waist-to-hip circumference ratio has also been used, but has been found to be no better than waist circumference as a predictor of risk although more complicated to measure.
3. It's difficult to find circumference ratio in a sentence. 用circumference ratio造句挺难的