fractional
adjective uk/ˈfræk.ʃən.əl/ us/ˈfræk.ʃən.əl/
极小的，微小的
extremely small
The fall in the value of the yen might result in a fractional increase in interest rates of perhaps a quarter of one percent. 日元贬值可能会引起0.25%的小幅加息。
部分的
relating to only a part of something
fractional ownership 部分拥有权