数据传送装置及方法，打印机，打印方法和打印系统。

Data transfering device and method, printer, printing method and system.

youdao

二维码符号的打印方法，打印机，驱动器及存储介质。

Printing method for two-dimensional code symbol, printer, drive and memory medium.

youdao

打印装置，计算机可读存储介质，打印系统和打印方法。

Printing apparatus, computer readable storage media. printing system and printing method.

youdao

Glancing at the bottom, this is pretty arbitrary, but I chose to format my string as follows: % 1f so at the bottom here I'm printing out %.1f, which quick sanity check means print just one digit after the decimal place.

看下这个底部，这个是相当随意的，但我选择把我的字符串格式化成这样：,所以在这个底部我打印输出，提醒一下，这是一个只打印出,小数点后一位的方法。

哈佛公开课 - 计算机科学课程节选