小幅度波动

fluctuation range by a narrow margin a narrow squeak within a stone's throw within a hair of a narrow margin of profit narrow within a little rift within the lute fluctuation a low range of prices to fall within the competence of a court prices fluctuating within a certain range fluctuation range narrow range temperature fluctuation range range of fluctuation narrow-gate range potentiometer narrow-range throttling controller narrow-range cut narrow-boiling range fraction narrow-boiling range product price within the price range