Acute Radiation Syndrome; severe illness from high-dose ionizing radiation exposure.

急性放射综合征；高剂量电离辐射导致的严重疾病。

Agricultural Research Service; research agency of the U.S. Department of Agriculture.

农业研究局；美国农业部的研究机构。

Arizona Revised Statutes; the codified laws of the State of Arizona.

亚利桑那州修订法典；亚利桑那州的成文法典。

Plural of AR; multiple items or instances abbreviated as AR.

AR 的复数；多个被缩写为 AR 的项目或情形。

Uppercase form of ars, the plural of the letter name ar.

ars 的大写形式；字母名称 ar 的复数。