英 [nəʊn] 美 [noʊn]
adj. 已知的，已发现的；知名的，出了名的
v. 知道（know 的过去分词形式）
known /nəʊn/ TEM4
Known is the past participle of know. (know)的过去分词
形容词 You use known to describe someone or something that is clearly recognized by or familiar to all people or to a particular group of people. 众所周知的; 公认的
...He was a known drug dealer.
…他是一个臭名昭著的毒品贩子。
形容词 If someone or something is known for a particular achievement or feature, they are familiar to many people because of that achievement or feature. 著名的
He is better known for his film and TV work.
他更为著名的是影视作品。
习语 If you let it be known that something is the case, or you let something be known, you make sure that people know it or can find out about it. 明确表示
The president has let it be known that he is against it.
总统已经明确表示，他反对此事。
apprehended with certainty
a known quantity ; the limits of the known world ; a musician known throughout the world ; a known criminal
称为-引用次数：92
Interventional diagnosis and treatment of CHD obtained growing attention in recent years, coronary angiography(CAG) is known as golden criterion of CHD diagnosis.
冠心病的介入诊断和治疗近年来日益得到重视,冠状动脉造影(CAG)被称为冠心病诊断的“金标准”。
己知-引用次数：3
The proof of the theorem is to show that the ODC problem can betransformed from the 3-exact cover problem, a known NPC problem.2.
定理证明主要是说明连接问题可由己知的NP完全问题—3-精确覆盖问题变换而来。
参考来源一类最优有向连接问题
已知的
已知
伊朗队以弹跳绝伦、个别才能强著称(Known)，在釜山亚运会上，他们已经战逾越中国队。在本次落选赛(Unsuccessful race)上，伊朗队与中国队交手之前的战绩(Record)是一负一胜...
...要的时候希望自己得到别人的帮助，可以说是人之常情；而真正豁达睿智的人，却善于从自己身上找原因，不会一味抱怨别人已知(Known)：
尽量阿森纳号称(Known)是英超最佳的大地冲击，但是在这日的角逐中，非常是面临加里-卡希尔无数次执意的阻难和防御，温格的球队只可败兴而归。
一个是蓝军大将，素有铁人之称(Known)，不仅有着出色的组织能力，还能频频插上破门；一个(A)是赤军魂灵，一向善打硬仗，除了大局观出众外，远射威力可以说冠绝英伦。
Diamonds are the hardest known mineral.
钻石是已知的最坚硬的矿石。
I've known David for 20 years.
我认识戴维已有20年了。
His books are not well known.
他写的书不太有名。
Les Paul is best known for creating one of the first solid-body electric guitars and the eight-track recording device.
VOA : special.2009.09.27
They did manage to establish a kingdom in the land that was known in antiquity as Canaan around the year 1000.
约公元前1000年时他们确实在那片叫迦南的土地上,立了一个自己的王国。
旧约导论课程节选 : 耶鲁公开课
So you know, that's not a class that MIT is... subject MIT is typically known for, but we have everything, so...
你知道，麻省理工学院没有什么特别出名的课程，但是我们的课程涵盖一切领域。所以……
SpeakingMax英语口语达人 : 求学热十足的学校
Several years later, researchers discovered the exact cause of pellagra: a lack of the B vitamin known as niacin.
VOA : special.2009.01.27
The Barbary States, as they were known, demanded payment for the release of hostages and safe passage of American ships.
VOA : special.2009.05.27
The statement dismissed the Wikileaks outpourings as "media games and bubbles motivated by known political goals".
It was perhaps best known for later PlayStation releases including the Wipeout racing game series.
From 1961 to 1989 it was the best-known border crossing between East and West Berlin.