单词：cokernel of a morphism
单词：cokernel of a morphism 相关文章
One-Person Flying Vehicles Close to Reality 单人飞行器接近成为现实 Smart phones, essentially pocket-sized computers, we already have. Flying drones with cameras are available to everybody. Robots and self-driving cars are just around the c
VOA标准英语2015年(六月)
好莱坞演员西恩宾（Sean Bin）回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中，他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件
探索与发现2015年
-French colonies are now reaching for the front line of the ally position, famous sunk lane, as you can see, just here. It was actually slightly deepen underneath those -...looks quiet. -It looks quuiet, but it's no quiet. There's a little bank just
探索与发现2015年
好莱坞演员西恩宾（Sean Bin）回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中，他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件
探索与发现2015年
好莱坞演员西恩宾（Sean Bin）回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中，他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件
探索与发现2015年
Welcome to Words and Their Stories, from VOA Learning English. On this program we explore the origin and history of American expressions and teach you how to use them. Today we focus more on history than usage. We are going to answer an age-old quest
2017年VOA慢速英语(七)月
By Kurt Achin Seoul 27 September 2006 For an increasing number of South Koreans, being a family man means seeing less of the family than ever before. Many South Korean fathers stay at home and work while they send their wife and children abroad - of
2006年VOA标准英语（九月）
Basketball Court Moves To Broadway This sports arena introduction of basketball Hall-of-Famers Earvin Magic Johnson and Larry Bird sets the stage for a drama about a ferocious rivalry that turned into friendship. After seeing the script, Magic Johnso
VOA标准英语2012年(四月)
Morganfield Channels Bluesman Dad on 'Son Of The Seventh Son' Muddy Waters or Mud Morganfield? Its almost impossible to tell. Of course, nothing would please Mud more than hearing people say he sounds just like his late father Muddy Waters on the tra
VOA标准英语2012年(三月)
塞拉利昂谋杀案引起公愤 Thursday night (8/20) on a beach in Freetown, Sierra Leone, a candlelight vigil was held for a teenager found murdered last week. The death has sparked outrage in the country and concern about rising crime in the wak
VOA标准英语2015年(十二月)
新型单人飞行器有望成为未来空中飞车 Being able to fly around as simply as riding a bicycle has been a long-standing dream of many inventors. But the safety and stability of such vehicles was always a huge problem. 飞行器飞来飞去能
VOA标准英语2015年(十二月)
Caught Twittering or on Facebook at work? It'll make you a better employee, according to an Australian study that shows surfing the Internet for fun during office hours increases productivity. 上班时上Twitter或Facebook网被撞见？这会让你成
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好莱坞演员西恩宾（Sean Bin）回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中，他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件
探索与发现2015年
I am David Forays. Reporting Iranqi troops advanced into the centre of Romati. The troops return to reclaim the city which was lost to Islamic State militants. Seven months ago supports men for Iraqis counter-terrorism service says there was fighting
探索与发现2015年
好莱坞演员西恩宾（Sean Bin）回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中，他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件
探索与发现2015年
好莱坞演员西恩宾（Sean Bin）回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中，他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件
探索与发现2015年
By Al Pessin Pentagon 17 April 2008 The five-sided courtyard in the center of the Pentagon hosts a variety of special events. And there was a particularly unusual one there on a glorious spring day this week. VOA's Al Pessin reports. A total of 22 mo
VOA常速英语2008年（四月）
Caught Twittering or on Facebook at work? It'll make you a better employee, according to an Australian study that shows surfing the Internet for fun during office hours increases productivity. 上班时上Twitter或Facebook网被撞见？这会让你成
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