approximations [əprɒksɪ'meɪʃnz]

例句:

• We do not have the true figures so we will have to make some approximations.
  我们没有真实的数字,因此只能作些粗略的估计.
  
• Such estimates should be considered only as crude approximations.
  上述估算结果只能是粗略的近似值.
  
• There are two approaches generally used to arrive at these approximations.
  通常有两种方法用于获得近似解析式.
  
• Models are approximations, everyone should know that.
  来自SA
• There are useful approximations where the interference terms can be neglected.
  来自SA
• Many of his contributions here seem slight, half-finished approximations of former glories.
  来自BBC