* The sum of the measures of the angles in a triangle drawn on a sphere may be more than 180 degrees.

在球面上所做的三角形的内角的度数之和可能超过180°C。

* Standard punched cards can hold up to eighty characters.

标准穿孔卡片能够储存多达80个字符。

3. “as... as”结构也可以表示增减，可译为“多达”如：

* The discs have as many as 500 concentric tracks per side.

磁盘每面的同心磁道多达500道。

* The software approach can control as many as eight drives.

这种软件方法能控制多达八台磁盘机。

4. 数字前加below, less than，under等，可译为“以下”、“不足”等。如：

* These measures reduced the normal death-rate to below 2.5 percent.

这些措施使人口的正常死亡率下降到2.5%以下。

* The efficiency of the best of these steam locomotives is under 16 percent.

这些蒸汽机中，最佳者的效率也不足16%。

5. 数字前加 about，around, close to, nearly, or so, some，toward(s)等可以译为“大约”、“左右”、“将近”等。如：

* The oxygen content of air is about 21 %.

空气中氧的含量约为21%。

* The number of distinct operation codes available is close to 200.

可得到的不同操作码接近200个。