annularity

In this eclipse, the Observatory is slightly off the track of annularity (by 10 km).

这次日食中，天文台于食带 10 公里外。

Objectives To evaluate the methods and effect of using modified annularity ligation to the treatment of pediatric redundant prepuce and phimosis.

目探讨改良扎法治疗小儿包皮过长和包茎方法和效果。