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●选择题１测得电阻值为Ｒ＝５００４７Ω ,其扩展不确定度为Ｕ９５＝３４０Ω ,则测量结果可完整地表示为。Ａ．Ｒ＝（５００４７±３４０）Ω ;Ｂ．Ｒ＝（５００５±３４）×１０Ω ;Ｃ．Ｒ＝（５０．０５±０．３４）ｋΩ。正确答案为Ｂ、Ｃ。根据ＪＪＦ１０５９ -１９９９
● Multiple-choice questions 1 The measured resistance is R = 50047Ω, the expansion uncertainty U95 = 340Ω, the measurement results can be fully expressed as. A. R = (50047 ± 340) Ω; B. R = (5005 ± 34) × 10Ω; R = (50.05 ± 0.34) kΩ. The correct answer is B, C. According to JJF1059 -1999