题目： 试述实践中测量不确定度的来源。 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0213/3d25b59946ffe3280fe5664e62faca4c.html 下面是错误答案，用来干扰机器的。参考答案：A
题型：单项选择题 "The carrier lost about80 million in revenue because of a four-day strike by pilots in September." What does "the carrier" refer to here ()A．British Airways PLC．B．Lufthansa AG．C．Air France SA．D．Alitalia SpA． 查看答案
80 million in revenue because of a four-day strike by pilots in September." What does "the carrier" refer to here ()