南加利福尼亚州的用水大部分来自萨克拉门托-圣华金三角洲，一个多世纪以前，这里建起堤坝，将土地分割成农田。
23southern California draws much of its water from the Sacramento-San Joaquin Delta, which was diked and divided into farms more than a century ago.
很显然，20世纪的亚洲是世界上人口增长最迅速的一个洲，增长率保持在13%。 。
Obviously, , Asia is a continent where the population growth rate was the highest in the world in the 20th century, which maintained at 13%.
很显然，20世纪的亚洲是世界上人口增长最迅速的一个洲，增长率保持在13%。
Obviously, Asia is a continent where the population growth rate was the highest in the world in the 20th century, which maintained at 13%.
很显然，20世纪的亚洲是世界上人口增长最迅速的一个洲，增长率保持在13%。
Obviously, Asia in the 20th century is the world's most rapidly growing population continent and the growing rate keep 13%.
迄今为止，长洲岛作为渔港的历史已经超过一个世纪。
Cheung Chau has been a fishing port for more than a century.
波斯是世界文明古国之一，早在公元前6世纪就建立了世界历史上第一个地跨欧亚非三洲的大帝国。
As one of the World's Ancient Civilizations, Persia established the first great empire crossing three continents of Europe, Asia and Africa in the world's history as early as the 6th century BC.
于本世纪初发源于广州及珠江三角洲一带，后风行国内外而享有盛誉和众多的听众。
River Delta, started to become popular both in China and abroad in the early years of this century. It enjoys a high reputation and a large following.
拜占庭，作为一个横跨亚欧非三大洲的中世纪帝国，由于所处的特殊历史环境成为古代文化的保护地。
Byzantine, as a strong empire of middle ages, which cross the Asia, Europe and Africa, depending the special and complicated position and situation, become a conservator of ancient civilization.
数控这一概念是由密歇根洲特拉华城的约翰·帕森于20世纪四十年代后期提出的。
The NC concept was proposed in the late 1940s by John Parsons of Traverse City, Michigan.
数控这一概念是由密歇根洲特拉华城的约翰·帕森于20世纪四十年代后期提出的。
The NC concept was proposed in the late 1940s by John Parsons of Traverse City, Michigan.
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