“absence rate”造句，怎麼用absence rate造句

The absence rate of outer hair cells in first turn of cochlea were 39.4% and 67.4% respectively.

Thisis one of the reasons for high absence rate in some public courses.

The middle colic artery (MCA) stemmed from the superior mesenteric artery (SMA) in 77.8% of the patients with an absence rate of 8. %.