During this time, the system test application was also basic and simpler; however, it was able to be run under a certain level of stress and duration in order to find defects.
此次，系统测试应用程序还是基本且较简单的，然而，为了找到缺陷，能够在特定压力级别和持续时间内运行。
There were safety concerns, of course, even then; but by and large it was a safer, simpler time, and such concerns seemed more manageable in those days.
当然，即便是在当年，搭车也存在着安全隐患，但总体来说，那个年代相对还较为安全和简单，一些隐患也比较好控制。
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