beyond reasonable doubt---在邏輯上和理性上都毫無疑問(這句話通常用在法庭上) reasonable----logical and rationalThe prosecution must prove their case beyond reasonable doubt.-----檢察官必須在邏輯上及理性上證明這個案子是毫無疑問的可成立.
... or ?? If your supervisor wanted you to search a reasonable computer system, then she meant a reasonable price system. It would be hard...
Retention time:The time lapse for a signal to show on the detector after sample injection.