currency unit (esp. Chinese yuan) / first / original / primary / fundamental / constituent / part / era (of a reign) / meta- (prefix) / (math.) argument / variable / (Tw) (geology) eon

unit (forming an entity) / element / (in a residential building) entrance or staircase

CE (Common Era) / Christian Era / AD (Anno Domini)

Ghost Festival on 15th day of 7th lunar month when offerings are made to the deceased

poly- / multi- / multielement / multivariant / multivariate (math.)

calendar era / epoch

top scorer in the palace examination (highest rank of the Imperial examination system) / see 榜眼 and 探花 / top scorer in college entrance examination 高考 / (fig.) the most brilliantly talented person in the field / leading light

(Tw) Christian era / Gregorian calendar / AD (Anno Domini)

character (computing) (Tw)

duality / dual / bipolar / binary

time immemorial / origin of the universe / the world

first-placed candidate in the provincial imperial examinations (old)

bit (computing)

to change an emperor's or ruler's reign title (old)

New Age (movement)

new era / new epoch

Tang emperor Xuanzong's 唐玄宗 reign name used during the Kaiyuan era (713-741), a peak of Tang prosperity

single variable (math.) / univariate

(computing) wildcard character (Tw)

Guangyuan prefecture-level city in Sichuan

Song Dynasty History of Zen Buddhism in China (1252), 20 scrolls

brightest and best / chief / first among peers

(old) first place in civil service examinations at three levels: provincial 解元, metropolitan 會元｜会元 and palace 狀元｜状元

surname Yuan / the Yuan or Mongol dynasty (1279-1368)

American dollar / US dollar

provincial imperial examination graduate who ranked 1st in metropolitan examination (in Ming and Qing dynasties)

variant of 復原｜复原

euro (currency)

to win the top award / to come first in the examination rankings

Qingyuan county in Lishui 麗水｜丽水, Zhejiang

(old) to rank first in the imperial examinations at the provincial capital, the national capital and the palace successively / (sports etc) to achieve three successes in a row (three matches in a row, three goals in a match etc)

flat silver (former coinage) / also written 銀圓｜银圆 / silver dollar

lit. in every trade, a master appears (idiom); fig. You can produce outstanding achievements in any task, provided you put it enough love and diligence

Hong Kong dollar

kilobit

dimension (loanword, from Japanese)

Australian dollar

neuron

two-dimensional / the fictional worlds of anime, comics and games

scholar-official in the Qing dynasty (1764-1849)

kyat, currency of Myanmar

Won (Korean currency)

32-bit (computing)

three-dimensional / the real world (cf. 二次元)

indeterminate element (math.), often denoted by x

interneuron

renminbi yuan (RMB), PRC currency unit

pixel (remote sensing imagery)

8-bit (computing)

64-bit (computing)

gigabit

16-bit (computing)

identity element (math.)

Epoch Times, US newspaper

Yao Wenyuan (1931-2005), one of the Gang of Four

Cui Yongyuan (1963-), TV presenter

Japanese yen (unit of currency) / also written 日圓｜日圆

finite element (method)

finite element (method)

Li Boyuan or Li Baojia 李寶嘉｜李宝嘉 (1867-1906), late Qing journalist, novelist and social observer, author of Observations on the current state of officialdom 官場現形記｜官场现形记

Liu Zongyuan (773-819), Tang essayist and poet, advocate of the classical writing 古文運動｜古文运动 and neoclassical 復古｜复古 movements

modular unit

elimination (math) / to eliminate one variable from equations

(math.) argument / variable