The results of the present experimental studies can not be directly used for fieldpractices, and need to be improved and have to face a great challenge.
③目前的实验研究结论不能直接应用于现场生产，实验研究有待改进且难度较大。
2
The purpose of this article is to introduce concepts about, and provide general best practices in the field of, test management.
这篇文章的目的是介绍相关概念，并提供测试管理领域常用的最佳实践。
3
Over the past few years, researchers in the emerging field of "usable security" have taken a hard look at many information security practices and found many of them lacking.