BEI Precision
Bei may refer to: * North, commonly encountered as (Mandarin: ''běi'') in Chinese placenames * Chinese stelae (, ''bēi'') * Bei River, a tributary of the Pearl River in southern China * Bei (surname) (贝/貝), a Chinese surname * (''mathematics'') bei, a Kelvin function * Yelü Bei (899–937), Khitan prince (Yelü being his clan name) See also * BEI (other) * Bey Bey ( ota, بك, beğ, script=Arab, tr, bey, az, bəy, tk, beg, uz, бек, kz, би/бек, tt-Cyrl, бәк, translit=bäk, cjs, пий/пек, sq, beu/bej, sh, beg, fa, بیگ, beyg/, tg, бек, ar, بك, bak, gr, μπέης) is ...

North
North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating Direction (geometry), direction or geography. Etymology The word ''north'' is etymology, related to the Old High German ''nord'', both descending from the Proto-Indo-European language, Proto-Indo-European unit *''ner-'', meaning "left; below" as north is to left when facing the rising sun. Similarly, the other cardinal directions are also related to the sun's position. The Latin word ''borealis'' comes from the Ancient Greek, Greek ''Anemoi#Boreas, boreas'' "north wind, north", which, according to Ovid, was personified as the wind-god Anemoi#Boreas, Boreas, the father of Calais and Zetes. ''Septentrionalis'' is from ''septentriones'', "the seven plow oxen", a name of ''Ursa Major''. The Greek ἀρκτικός (''arktikós'') is named for the same constellation, and is the source of the English ...
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Standard Mandarin
Standard Chinese ()—in linguistics Standard Northern Mandarin or Standard Beijing Mandarin, in common speech simply Mandarin, better qualified as Standard Mandarin, Modern Standard Mandarin or Standard Mandarin Chinese—is a modern standardized form of Mandarin Chinese that was first developed during the Republican Era (1912‒1949). It is designated as the official language of mainland China and a major language in the United Nations, Singapore, and Taiwan. It is largely based on the Beijing dialect. Standard Chinese is a pluricentric language with local standards in mainland China, Taiwan and Singapore that mainly differ in their lexicon. Hong Kong written Chinese, used for formal written communication in Hong Kong and Macau, is a form of Standard Chinese that is read aloud with the Cantonese reading of characters. Like other Sinitic languages, Standard Chinese is a tonal language with topic-prominent organization and subject–verb–object (SVO) word order. Compar ...
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Chinese Stelae
A stele ( ),Anglicized plural steles ( ); Greek plural stelai ( ), from Greek , ''stēlē''. The Greek plural is written , ''stēlai'', but this is only rarely encountered in English. or occasionally stela (plural ''stelas'' or ''stelæ''), when derived from Latin, is a stone or wooden slab, generally taller than it is wide, erected in the ancient world as a monument. The surface of the stele often has text, ornamentation, or both. These may be inscribed, carved in relief, or painted. Stelae were created for many reasons. Grave stelae were used for funerary or commemorative purposes. Stelae as slabs of stone would also be used as ancient Greek and Roman government notices or as boundary markers to mark borders or property lines. Stelae were occasionally erected as memorials to battles. For example, along with other memorials, there are more than half-a-dozen steles erected on the battlefield of Waterloo at the locations of notable actions by participants in battle. A traditio ...
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Bei River
Bei River (北江; literally "The North River"; pinyin: ''Běi Jiāng''; wade-giles: ''Pei3 Chiang1''; jyutping: ''Bak1 Gong1'', literally "North River") is the northern tributary of the Pearl River in southern China. The other two main tributaries of the Pearl River are the Xi Jiang and the Dong Jiang. The Bei River is long, and is located in northern Guangdong. See also * Pearl River Delta * Geography of China * List of rivers of Asia A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby union ... References Rivers of Guangdong Tributaries of the Pearl River (China) {{China-river-stub ...
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Bei (surname)
Bei is the Mandarin pinyin romanization of the Chinese surname written in simplified Chinese and in traditional Chinese. It is romanized Pei in Wade–Giles. Bei is listed 110th in the Song dynasty classic text ''Hundred Family Surnames''. It is not among the 300 most common surnames in China. Notable people * Bei Jinquan ( 贝锦泉; 1831–1890), Qing dynasty general * Bei Shizhang (1903–2009), "Father of Chinese Biophysics" * I. M. Pei (Bei Yuming, 1917–2019), Chinese-American architect * Peggy Lam (Bei Yujia, born 1928), Hong Kong politician * Pui Kwan Kay (Bei Junqi; 貝鈞奇; born 1951), Hong Kong businessman * Bei Ling (貝嶺, born 1959), Chinese poet Fictional characters * Bei Weiwei, a character in Love O2O Love O2O may refer to: * ''Love O2O'' (film), 2016 Chinese film * ''Love O2O'' (TV series), 2016 Chinese TV series {{dab ... References {{DEFAULTSORT:Bei Chinese-language surnames Individual Chinese surnames ...
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Kelvin Function
In applied mathematics, the Kelvin functions ber''ν''(''x'') and bei''ν''(''x'') are the real and imaginary parts, respectively, of :J_\nu \left (x e^ \right ),\, where ''x'' is real, and , is the ''ν''th order Bessel function of the first kind. Similarly, the functions kerν(''x'') and keiν(''x'') are the real and imaginary parts, respectively, of :K_\nu \left (x e^ \right ),\, where is the ''ν''th order modified Bessel function of the second kind. These functions are named after William Thomson, 1st Baron Kelvin. While the Kelvin functions are defined as the real and imaginary parts of Bessel functions with ''x'' taken to be real, the functions can be analytically continued for complex arguments With the exception of ber''n''(''x'') and bei''n''(''x'') for integral ''n'', the Kelvin functions have a branch point at ''x'' = 0. Below, is the gamma function and is the digamma function. ber(''x'') For integers ''n'', ber''n''(''x'') has the series expan ...
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Yelü Bei
Yelü Bei () (899''History of Liao'', vol. 72. – January 7, 937''Zizhi Tongjian'', vol. 280.Academia Sinicabr>Chinese-Western Calendar Converter), also known as Yelü Tuyu (耶律突欲 or 耶律圖欲), posthumously honored Emperor Wenxian Qinyi () with the temple name Yizong ( Simplified: 辽义宗, Traditional: 遼義宗), formally known as Renhuang Wang (人皇王, "imperial king of men") during his lifetime (including his period as the King of Dongdan), known as Dongdan Muhua () (931) and then Li Zanhua () (931–937) as a Later Tang subject, was the eldest son of Emperor Taizu of Liao, the founder of the Liao dynasty. He was declared successor to the Emperor Taizu in 916, but never succeeded to the throne. Rather, after the accession of his younger brother Yelü Deguang (Emperor Taizong), he fled to the Shatuo-led Later Tang dynasty, where he was killed in 937. Background Yelü Bei was born in 899, before the founding of the Liao dynasty. His father was the Yelü cla ...
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BEI (other)
Bei may refer to: * North, commonly encountered as (Mandarin: ''běi'') in Chinese placenames * Chinese stelae (, ''bēi'') * Bei River, a tributary of the Pearl River in southern China * Bei (surname) (贝/貝), a Chinese surname * (''mathematics'') bei, a Kelvin function * Yelü Bei (899–937), Khitan prince (Yelü being his clan name) See also * BEI (other) * Bey Bey ( ota, بك, beğ, script=Arab, tr, bey, az, bəy, tk, beg, uz, бек, kz, би/бек, tt-Cyrl, бәк, translit=bäk, cjs, пий/пек, sq, beu/bej, sh, beg, fa, بیگ, beyg/, tg, бек, ar, بك, bak, gr, μπέης) is ...