un. 数字舍入误差

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-11-30 / 阅读(110) / 评论(0) 分类 英语情景对话-大学生活

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-12-26 / 阅读(89) / 评论(0) 分类 大学生活-College Life

谁都会犯错,特别是在计算器或电子表格里处理数字时。计算自己在披萨上花了多少钱是件小事,而医院里管理药品时,一点儿的差错都可能是致命的,那么,怎么来减少误差的出现呢? Med

发表于:2019-01-02 / 阅读(76) / 评论(0) 分类 60秒科学

Bit - This is a contraction of the term Binary digIT, and it is a number in base 2, which means that it can only be a 0 or a 1. Bit Error Rate - The rate of message bits that are in error (an error ra

发表于:2019-01-03 / 阅读(63) / 评论(0) 分类 电信英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. Everyone makes mistakes, especially when it comes to entering numbers into a calculator or spreadsheet. Its not such a big deal if youre tracking how much

发表于:2019-01-08 / 阅读(42) / 评论(0) 分类 Scientific American(四)月

The recent rescue of an American cargo ship captain held hostage for five days by pirates off the coast of Somalia has heightened awareness of the piracy issue throughout the world. An 11 Apr 2009 French Defense Ministry photo of armed pirates and t

发表于:2019-01-13 / 阅读(28) / 评论(0) 分类 VOA标准英语2009年(四月)