1.无知觉的;无知觉力的
1.lacking the ability to notice things or to understand somebody or something
1.The application is always available with no interruptions (or at most, imperceptive ones) except for scheduled downtimes for maintenance.
除了预定的维护停机时间,这个应用程序始终保持不间断工作(或者,最多是无影响中断)。