这个分数的倒数是1/4。
The reciprocal of this fraction is 1/4.
你知道5的倒数是多少吗？
Do you know what the reciprocal of 5 is?
计算一个数的倒数很简单。
Calculating the reciprocal of a number is simple.
一个角的余割是其正弦的倒数。
The cosecant of an angle is the reciprocal of its sine.
我们在数学课上学到了倒数的概念。
We learned about the concept of reciprocal in math class.
你需要找到这个数的倒数来解这个问题。
You need to find the reciprocal of this number to solve the problem.
在三角学中，割线函数是余弦函数的倒数。
In trigonometry, the secant function is the reciprocal of the cosine.
货币创造乘数是准备金率的倒数。
Multiplier?reciprocal of the reserve ratio .
下列那一个数小于它的倒数？
Which of these numbers is less than its reciprocal?
由于周期是频率的倒数, 因此每半秒中断一次.
As the cycle is the reciprocal of frequency, each time half a second interruption.