1. round off的近义词

1. They rounded off the evening by singing a song.
    他们唱了一首歌，圆满结束了这个晚会。

1. 四舍五入：数值微分是一种近似法,当取较小的h值时有时后会因为电脑运算的四舍五入(Round off)而导致误差,而使数值微分处於不稳定,换言之,选择适当大小的h值是一件值得重视的事.

2. round off是什么意思

2. (园满)完成：round and round (围绕着...)不息地旋转 | round off (园满)完成 | round up 收集,集合

3. round off

3. 完成, 使完美：bonesetting 接骨术 | round off 完成, 使完美 | blanquet 法> n.布朗克梨

1. 使…圆满结束
    If you round off an activity with something, you end the activity by doing something that provides a clear or satisfactory conclusion to it.

    e.g. The Italian way is to round off a meal with an ice-cream...
           意大利人总是在用餐结束时来份冰激凌。
    e.g. ...a dazzling firework display which rounded off a lovely day...
           为美好的一天画上圆满句号的绚烂烟花

1. make round

    e.g. round the edges

    Synonym: roundround out

2. express as a round number

    e.g. round off the amount

    Synonym: round downround outround

3. bring to a highly developed, finished, or refined state

    e.g. polish your social manners

    Synonym: polishroundpolish upbrush up