round off

英 [raʊnd ɒf]

美 [raʊnd ɔːf]

使圆满结束

电力

柯林斯词典

• PHRASAL VERB 使…圆满结束
  If youround offan activity with something, you end the activity by doing something that provides a clear or satisfactory conclusion to it.
  1. 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。
  2. ...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
  3. This rounded the afternoon off perfectly...
     这使得下午的活动圆满结束。
  4. He rounds off by proposing a toast to the attendants.
     他向来宾祝酒，圆满结束了活动。

英英释义

verb

• make round
  1. round the edges
  Synonym:roundround out
• express as a round number
  1. round off the amount
  Synonym:round downround outround
• bring to a highly developed, finished, or refined state
  1. polish your social manners
  Synonym:polishroundpolish upbrush up

双语例句

• 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。
• The order of matrix for solving algebraic equations increases so greatly that the accumulated round off errors can swamp the true solutions.
  求解代数方程阶次的迅速增长，可能使舍入误差的积累造成对真解的扭曲。
• The square-root Kalman filter is an improvement on common Kalman filter to overcome divergency caused by round off and truncation errors in computation.
  平方根卡尔曼滤波是对普通卡尔曼滤波的改进，以克服由计算中截尾误差引起的滤波数值发散。
• When the equations are consistent, the solutions can be obtained within finite steps in the absence of round off errors, and the least-norm solution can be given by choosing a special initial matrix.
  在不考虑舍入误差时，对任意给定初始矩阵，该迭代算法能够在有限步迭代计算之后得到矩阵方程组的解；选取特殊的初始矩阵时可得到矩阵方程组的极小范数解。
• Let's round off these figures to the nearest hundred.
  让我们把这些数字用近似的百位整数来表示。
• We ask him to round off the essay for us.
  我们要他为我们润色这篇文章。
• Presents general principles for the design and selection of air conditioning/ ventilation system forms, involving kitchen air supply and extraction systems, delivery air volume and sizing of the oil smoke extraction hoods, and adds an example to round off.
  阐述了宾馆厨房空调通风设计的一般原则及通风系统采用形式，包括送风、排风系统设计，送风量的计算，排烟罩的选择等，并介绍了一个设计实例。
• Round off that fraction to a whole number.
  把零去了，就要个整数。
• The timing of the launch was clearly intended to round off a summer filled with patriotic pride at China's staging of the Olympic games and its world-beating haul of gold medals.
  选择这个时候发射飞船，很明显是想要给这个充满爱国主义自豪感的夏天画上圆满的句号，中国在这个夏天举办了奥运会，获得的金牌数也是无人可以匹敌。
• This rounded the afternoon off perfectly
  这使得下午的活动圆满结束。