A.該點(diǎn)與原點(diǎn)的連線與X軸夾角為30° B.該點(diǎn)到原點(diǎn)的距離為30 C.該點(diǎn)與前一點(diǎn)的連線與X軸夾角為30° D.該點(diǎn)相對(duì)于前一點(diǎn)的距離為30
A.bigfont.shx B.chineset.shx C.extfont.shx D.gbcbig.shx
A.上偏差0.015,下偏差0.021 B.上偏差0.015,下偏差-0.021 C.上偏差-0.015,下偏差-0.021 D.上偏差-0.015,下偏差0.021