electronic archives的用法和样例：
例句
- These days electronic records are created by government agencies at an astounding rate.
现在政府机构所产生的电子档案以惊人的速度增加。 - If the participants are unable to type mathematical symbols in electronic files, they may handwrite them in the printed entries.
如参赛者不能在电子档案中输入数学符号，亦可在电脑打印的文件上辅以手写的数学符号。
