比如0.1不能被表示为二进制数，所以被四舍五入储存为双精度浮点数。
For example, 0.1 cannot be represented binary, and therefore is rounded when stored in a double. Let me show you using python.
为了计算有多少个四位数字，你可以简单地用4去除最初的那个十进制数。
In order to calculate how many fours digits there are, you could simply divide the initial decimal number by 4.
我们不想十进制数字少于四位数-不含前导零，2992是第一个正确答案。
We don't want decimal numbers with fewer than four digits - excluding leading zeroes - so that 2992 is the first correct answer.
比特掩码和网路掩码的作用是一样的，不同于网路掩码给定四组十进制数，它从网路掩码的左端开始计入比特数。
A bitmask is the same as the netmask, but instead of indicating four decimal values, you simply count the bits starting from the left.
IP地址中的四个数称为八位位组，因为其二进制形式各有八位。
The four numbers in an IP address are called octets, because they each have eight positions when viewed in binary form.
设计一个程序，输入四个一位十进制数，用4个LED显示出来。
Design a program, enter a decimal number four, with four LED display.
设计一个程序，输入四个一位十进制数，用4个LED显示出来。
Design a program, enter a decimal number four, with four LED display.
应用推荐