foot-pound-sec.ond

adj.Abbr. fps,f.p.s.（形容詞）縮寫 fps,f.p.s.
Of, relating to, or characteristic of the British, Canadian, or U.S. system of units based on the foot, the pound, and the second as the fundamental units of length, mass, and time.
尺磅秒單位制：屬于或關(guān)于英國(guó)、加拿大或美國(guó)以英尺、磅和秒分別作為長(zhǎng)度、重量與時(shí)間的基本單位的單位體系的，或具有此種系統(tǒng)特征的