无束缚粒子,自由粒子

unbound particle的用法和样例：

例句

In our free particle example, it turns out that it is impossible to find a wavefunction that is an eigenstate of both position and momentum.我们以自由粒子为例，找到既有位置又有动量的波函数是不可能产生的。

VOA标准英语2011--Fermilab Scientists Optimistic About Finding Higgs Boson Particle

Fermilab Scientists Optimistic About Finding Higgs Boson Particle Scientists at the CERN laboratory in Geneva, Switzerland say they are encouraged by new data suggesting their Large Hadron Collider, the world's most powerful atom-smasher, is one step

发表于:2019-01-13 / 阅读(62) / 评论(0)

VOA标准英语2011年(十二月)

万物简史第16期:如何营造一个宇宙(8)

The Big Bang theory isn't about the bang itself but about what happened after the bang. Not long after, mind you. By doing a lot of math and watching carefully what goes on in particle accelerators, scientists believe they can look back to 10-43secon

发表于:2019-01-29 / 阅读(48) / 评论(0)

万物简史

夏洛的网第123期:会议(4)

How about 'Pig Supreme'? asked one of the lambs. 细皮肥猪怎么样？一只小羊问道。 No good, said Charlotte. It sounds like a rich dessert. 不好，夏洛说，这听上去像油腻的菜名。 How about 'Terrific, terrific, terrific'? as

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夏洛的网

夏说英语新闻晨读第113期:川普锁定党内提名

本期内容： Donald Trump gained the 1,237 delegates needed for the Republican presidential nomination, as a small group of unbound delegates told the Associated Press they would support him at the partys convention in Cleveland in July. The tycoo

发表于:2019-02-13 / 阅读(30) / 评论(0)

夏说英语新闻晨读

Researchers find "lonely planets"

BEIJING, May 20 (Xinhuanet) -- Scientists have discovered a Jupiter-sized exoplanet that is completely unbound from a host star, according the scientific journal Nature published Thursday. The research was conducted by astrophysicists from Osaka Univ

发表于:2019-02-17 / 阅读(37) / 评论(0)

英语新闻

VOA慢速英语2012 IN THE NEWS - Scientists May Have Found 'God Particle'

IN THE NEWS - Scientists May Have Found 'God Particle' 新闻报道 - 科学家们可能发现了上帝粒子 This is IN THE NEWS in VOA Special English. 这里是美国之音慢速英语新闻报道。 This week, scientists in Switzerland reported a

发表于:2019-02-18 / 阅读(73) / 评论(0)

2012年VOA慢速英语(七)月

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