These trace gases are not detectable by smell in any but the most heavily polluted atmosphere . 这些微量气体除了在污染最严重的大气外,是不能凭嗅觉察觉到的。
The tumor regressed gradually and was not detectable by sonography at 33 months of age 肿瘤在治疗过程中不再增大,从五个月大起逐渐变小,至三十三个月大时完全消失。
These advanced electronics use signal types which are not detectable , shieldable , or jammable using conventional technology 这些先进的电子技术用信号,它不会被察觉,非常隐蔽,或掺杂在常规的技术里。
No , only a slight blockage of the vision at worst . floaters are usually not detectable by visual testing unless they are very severe 不会的。最坏也就是微小障碍物的阻塞视觉。飞蚊者大多无法通过视觉测试发现。除非是非常严重的患者。
Because soft errors are not detectable directly by a server instance , a soft error could potentially cause a server instance to wait indefinitely 由于软错误不能由服务器实例直接检测到,因此,可能导致服务器实例不确定地等待某个响应。