Reciprocal length

輻照度，但也可能是偏振狀態。引數通常是光的波長或一個緊密匯出的物理量，如相應的波數或光子能量，量測的單位分別以釐米、長度倒數（英语：Reciprocal length）或電子伏特等表示。 光譜儀用於光譜學中，用於產生譜線並量測其波長和强度。光譜儀可以在廣泛的非光學波長範圍內工作，從伽馬射線和X射線

《自由君主的真正法律》（中文譯名又作《自由君主制的真正法則》，英語：The True Law of Free Monarchies; or, The Reciprocal and Mutual Duty Betwixt a Free King and His Natural Subjects，蘇格蘭語原題：The

2021 [2021-10-06]. （原始内容存档于2022-02-09）.  Barbados Visa Requirements and Reciprocal Arrangements, Ministry of Foreign Affairs and Foreign Trade of Barbados

One of the HOPL IV badges has an APL expression on it: ÷+/÷(e≠0)/e, the reciprocal of the sum of the reciprocals of the non-zero values of e. The expression

and Statistics. 2005 [2016-07-22]. （原始内容存档于2016-06-04）.  Shmueli, U. Reciprocal Space in Crystallography. International Tables for Crystallography B.