V
主页
【TED-Ed】准确度和准确性的区别 |What's the difference between accuracy and precision?
发布人
When we measure things, most people are only worried about how accurate, or how close to the actual value, they are. Looking at the process of measurement more carefully, you will see that there is another important consideration: precision. Matt Anticole explains what exactly precision is and how can help us to measure things better. 当我们测量事物的时候,大多数人只关心他们得多准确,或者多接近准确值。但更仔细地研究测量的过程,你会发现还有另外一种考虑要素: 准确性. Matt Anticole解释了准确性到底是什么以及它能怎样帮助我们更好地测量。
打开封面
下载高清视频
观看高清视频
视频下载器
【TED-Ed】最聪明的年龄是几岁?|What's the smartest age?
【TED-Ed】可恶且致命的蚊子 |The loathsome lethal mosquito
【TED-Ed】免疫系统的工作原理是什么?|How does the immune system work?
【TED-Ed】食人简史 |A brief history of cannibalism
【TED 演讲】成功的钥匙?毅力 |Grit: The power of passion and perseverance
【TED-Ed】什么是阅读障碍?|What is dyslexia?
【TED-Ed】为什么不用太阳能电池板覆盖沙漠?|Why don't we cover the desert with solar panels?
【TED-Ed】有可能快速减肥吗?|Is it possible to lose weight fast?
【TED演讲】元宇宙群的惊人潜力|The awesome potential of many metaverses
【TED-Ed】提高你的“批判性”思维的5个小妙方 5 tips to improve your critical thinking
【TED演讲】你真的可以识破孩子的谎言么?|Can you really tell if a kid is lying?
【TED-Ed】蚊子叮特定的人吗?|Do mosquitos actually bite some people more than others?
【TED-Ed】你能解决这个”囚犯的帽子“难题吗?|Can you solve the prisoner hat riddle?
【TED演讲】语言如何塑造我们的思维方式?|How language shapes the way we think?
【TED演讲】5 种倾听的方法 |5 ways to listen better
【TED-Ed】拉伸到底是如何改变你的肌肉的?|How stretching actually changes your muscles?
【TED-Ed】北极与南极| The Arctic vs. the Antarctic
【TED-Ed】什么造成了火山喷发?|What makes volcanoes erupt?
【TED-Ed】为什么大象不会忘事?|Why elephants never forget?
【TED-Ed】体育运动如何使你的身体与大脑获益?
【TED演讲】揭露海底惊奇Underwater astonishments
【TED演讲】脆弱的力量 |The power of vulnerability
【TED-Ed】猫眼中的世界史 |The history of the world according to cats
【TED-Ed】瑜伽对你的身体和大脑有什么影响?|What yoga does to your body and brain?
【TED演讲】如何识破谎言?|How to spot a liar?
【TED-Ed】运动真的可以“促进”你的新陈代谢吗?|Can exercise actually "boost" your metabolism?
【TED-Ed】为什么我们的毛发会出现在如此随机的地方?|Why do we have hair in such random places?
【TED-Ed】我们为什么会在看电影时吃爆米花?|Why do we eat popcorn at the movies?
【TED-Ed】普罗米修斯神话 |The myth of Prometheus
【TED演讲】如何为自己说话?|How to speak up for yourself?
【TED-Ed】比萨斜塔为何屹立不倒?|Why doesn't the Leaning Tower of Pisa fall over?
【TED演讲】解读羞耻 |Listening to shame
【TED-Ed】公主智胜死神的传奇故事 | The legend of the princess who outwitted Death
【TED-Ed】如何智胜囚徒困境?|How to outsmart the Prisoner's Dilemma?
【TED-Ed】我们为什么会哭?|Why do we cry?
【TED-Ed】糖如何影响大脑?|How sugar affects the brain?
【TED演讲】如何活到一百岁?
【TED-Ed】安慰剂效应的力量 |The power of the placebo effect
【TED演讲】如何作出艰难抉择?How to make hard choices?
【TED-Ed】增进自信心的三个小技巧 |3 tips to boost your confidence