I'm superstitious about the number 13.

我相信13这个数字不吉利。

The number of city dwellers is growing.

城市居民的数量日渐增长。

The number of tourists tails off in October.

十月份游客人数越来越少。

I tried the number again, got an engaged tone.

我又拨了一次那个号码，电话还是占线。

The number is correct to three decimal places.

这个数目精确到小数点后三位数。

The computer does most of the number crunching.

这台计算机会完成大部分数字运算。

The number of employees was reduced from 40 to 25.

雇员人数从40人减少到了25人。

The number 107 is represented in hexadecimal as 6B.

107这个数用十六进制表示为6B。

We restrict the number of students per class to 10.

我们将每个班的学生人数限定为10人。

The number of companies offering them work increased.

给他们提供工作的公司的数量增多了。

There's still confusion about the number of students.

学生的人数依然不清楚。

The number of corporate bankruptcies climbed in August.

企业破产的数量在8月份增加了。

This switch controls the number of rotations per minute.

这个开关控制着每分钟的转数。

The number of homeless people has increased dramatically.

无家可归者的人数急剧增加了。

The number of independent firms decreased from 198 to 96.

独立公司的数量从198家减到了96家。

The number of managers must double to 100 within 3 years.

3年之内管理人员的数量要翻倍，达到100名。

I've dialled the number so many times I know it by heart.

这个号码我拨了很多次，都记住了。

The number of nervous disorders was rising in the region.

该地区神经紊乱的病例数正在上升。

The number of prisoners serving life sentences has fallen.

被判无期徒刑的囚犯数目下降了。

The number of families seeking shelter rose by 17 percent.

寻求避难的家庭数目上升了17％。

The number of returnees could go as high as half a million.

回国人员的数量可能高达50万。

The number of applicants for teaching posts has tapered off.

申请做教学工作的人数越来越少。

The number of tourists to the resort declined by 10% last year.

去年到这个胜地旅游的人数减少了10%。

The number of new students decreased from 210 to 160 this year.

今年新生人数从210减少到160。

The number of reported crimes is increasing at an alarming rate.

报警案件的数量正在以惊人的速度增长。

A cold spring will provide a natural check on the number of insects.

寒冷的春季会自然控制昆虫的数量。

The number of Senators now supporting him had increased significantly.

现在支持他的参议员人数已经显著增加了。

Official figures show a sharp decline in the number of foreign tourists.

官方数字显示外国游客数量骤降。

The number of accidents is proportionate to the increased volume of traffic.

交通事故的数字与交通量的增长成正比。