one-digit词根词缀

If you're expecting a number, make sure your data is in number format& typically, that means only digits, and at least one digit ( you can check this using the regular expression^ [ 0-9]+$).

如果您期望输入的是一个数字，就确认数据是数字格式――比如，只是针对阿拉伯数字，并且是至少一位阿拉伯数字（您可以使用与正则表达式^[0-9]+$检查它）。

After the totals were revealed one digit at a time by each singer's friends and parents, Zhao, 17, emerged victorious in a shower of confetti and sparklers.

当两人各自的朋友和父母打出投票结果的数字时，17岁的赵静怡在铺天的彩纸、亮片里露出了胜利的笑容。

There are three tasks in the experiment, arabic number identifying, one digit simply addition calculation and two digit complex addition calculation respectively.

实验采用组块设计的方法，实验任务有三项，分别是数字辨认、一位数简单加法和二位数复杂加法。