compression
基礎(chǔ)科學(xué)

        Definition:The process or result of becoming smaller or pressed together.壓型化石yā xínghuà shí植物的莖干和葉子在沉積物中被壓實而呈扁平狀態(tài)的化石,可保存表皮、氣孔等細(xì)胞形態(tài)。Origin:Circa 1400,from Middle French compression (14 century),from Latincompress......（本文共 234 字）     [閱讀本文] >>