A.5%~10%B.10%~20%C.20%~30%D.30%~40%E.40%~50%
A.70項(xiàng)B.71項(xiàng)C.100項(xiàng)D.101項(xiàng)E.106項(xiàng)
A.精密度好,準(zhǔn)確度就一定高B.準(zhǔn)確度與精密度無(wú)關(guān)系C.準(zhǔn)確度是保證精密度的前提D.消除了系統(tǒng)誤差之后,精密度好,準(zhǔn)確度才高E.消除了系統(tǒng)誤差之后,準(zhǔn)確度和精密度一定都好