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汉语拼音：biǎo dá shì

表达式，是由数字、算符、数字分组符号（括号）、自由变量和约束变量等以能求得数值的有意义排列方法所得的组合。约束变量在表达式中已被指定数值，而自由变量则可以在表达式之外另行指定数值。

• This forms the basis for our mathematical expression for the electric field.

  这是电场数学表达式的基础。

• We recognize this expression as just the scalar product.

  可以认出,此表达式正好就是标积.

• We develop only the expressions for vigorously bubbling beds.

  我们只推导出对于剧烈鼓泡床的表达式.

• The expressions obtained are rather formidable in the general case.

  一般情况下所得到的这些表达式是相当庞大的.

• This definition of dy presumes some expression for the subtangent.

  dy的这个定义假定次切线的一些表达式.

• An expression that an assembler evaluates at pre - assembly time.

  汇编程序在预汇编时对其求值的一种表达式.

• This general expression can be simplified by making certain assumptions.

  可以作某些假定来简化这个一般表达式.

• This expression becomes an exact one for a circular cross - section .

  对于圆形的 横截面 这表达式即变为精确表达式.

• The expression in the square brackets looks familiar.

  中括号内的表达式看起来很熟悉.

• In developing equations for maximum shear stresses, the special case will be considered.

  在导出最大剪应力表达式时, 将考虑一种特殊情况.

• To find this angle, we first work out general algebraic expression for the range.

  为求这一角度, 首先我们求出射程的一般代数表达式.

• This is the theoretical expression for the resistivity, and it is in qualitative agreement with experiment.

  这就是电阻率的理论表达式, 它与实验定性地符合.

• For ALGOL, write one for statements, one for declarations and one for expressions.

  对于代数排列语言来说, 我们可以分别把语句 、 说明和表达式编成子程序.

• Equation 1 . 1 - 11 is thus a statement of the conservation of particle probability.

  因此等式(1.1-11)可以作为粒子几率守恒的表达式.

• This modified formulation is more adaptable to a further study of gyroscopic phenomena.

  这种变化后的表达式将更适合于进一步研究陀螺现象.