单词:basic statistical unit
单词:basic statistical unit 相关文章
43.Statistics There were two widely divergent influences on the early development of statistical methods. Statistics had a mother who was dedicated to keeping orderly records of government units (states and statistics come from the same Latin root s
[00:02.29]Exercise 2.1 [00:07.39]This beach looks so different now! [00:10.02]I remember we used to come here every year [00:12.53]when I was a kid. [00:14.05]It used to be a lot cleaner than it is now! [00:17.03]There didn't use to be any people and
[00:02.74]Risks [00:04.97]Part Two [00:07.24]Listening-Centered Activities [00:10.66]Listening I [00:13.90]Exercise 1 [00:17.53]Directions: [00:20.27]Listen to the passage and answer the following Yes/Not questions. [00:27.40]The possibility that som
[00:00.00]This morning's class is about first aid,今天早晨这节课是关于急救的, [00:03.66]or giving someone basic medical help.或者给一个人基本的医疗帮助。 [00:07.03]Let's imagine an accident.让我们想象一个事故。
[00:03.24]Nature and Nurture [00:07.63]Part Two [00:10.84]Listening-Centered Activities [00:15.16]Listening I [00:19.40]Exercise 1 [00:24.16]Directions: [00:27.58]Listen to the passage and answer the following questions. [00:33.80]Although twins have
[00:01.55]People need basic necessities [00:04.15]such as food,clothes and houses. [00:08.52]This means that more of our natural resources [00:11.87]like oil and coal are used [00:14.98]up to produce these things. [00:17.55]Also, more of our environm