data may be recorded by electronic data processing systems photographic or other reliable means but detailed procedures relating to the system in use should be available and the accuracy of the records should be checked if documentation is handled by electronic data processing methods only authorised persons should be able to enter or modify data in the computer and there should be a record of changes and deletions

数据可以通过电子数据处理系统、照片或其他可靠的方式记录，但应提供与所使用系统有关的详细程序，并应检查记录的准确性，如果文件是通过电子数据处理方法处理的，则只有授权人员才能输入或修改计算机中的数据，并应记录更改和删除

以上为机器翻译结果，长、整句建议使用 人工翻译 。