工学 食品安全 释 food safety objective；FSO 食品安全目标 食品中的某种危害可提供或促进适当保护水平（appropriate level of protection，ALOP）的最大允许频率或浓度。食品安全目标的概念仅限于食品安全，不涉及质量。
网络与数据通信 无线网络 释文 free space optics, FSO 自由空间光束
- commensuration
- comment
- Commentaries on the Filial Piety
- Commentaries on the Palī Tripiṭaka
- Commentaries to the Tactic of The book of Change
- Commentary from Biji Lane on Ci Poetry
- Commentary from the Bamboo Village on Poetry
- Commentary from the Jianji Hall on Poetry
- Commentary on Chinese Novels
- Commentary on Cultural Industry in China
- Commentary on Daode Jing by the Elder upon the River
- Commentary on Deyu Studio Paintings
- Commentary on Law Codes of Tang Dynasty
- Commentary on Poems by Master Poets in the Guangxu and Xuantong Eras
- Commentary on Poems by Master Poets in the Last Century
- Commentary on Poems by Master Poets in the Qianlong and Jiaqing Eras
- Commentary on Poems by Poets from Shanxi Area
- Commentary on Poems by Yuan Mei, Jiang Shiquan and Zhao Yi
- Commentary on Poetry in the Yougu Hall
- Commentary on Poetry Written in the Western Library
- Commentary on Qu
- Commentary on the Book of Huainanzi
- Commentary on the Classic of Materia Medica
- Commentary on the Dipper Scripture
- Commentary on the Style of Rhythmical Prose