年代学者

By comparing the cut timber at Puebloan sites with the tree-ring records for the area, archaeologists can often date the occupation of the settlements quite precisely.

考古学者比较了普布罗遗址发现的木材与当地的树木年轮记录，可以推算人类居住在那儿的年代，结果往往相当精确。

It was not until the 1920s that scholars took note of The Emperor of China's Palace when the French Sinologist Paul Pelliot identified it as based on Ripa's originals.

直到20世纪20年代，当法国汉学家保罗·佩里奥特证明《中国皇帝的北京宫殿》一书是根据马国贤神甫的原始记录写成，学者们才开始留意到这本书。

Only in this way,can the Chinese rhetoric of the 21th century be developed even faster and even better than ever before. rhetoric ; synonymic devices ; review

一、同义手段理论研究的三个阶段尽管有学者指出，语言的同义现象古已有之，而同义学说在本世纪 30年代的修辞学著作中已经涉及，但事实上，这些充其量只能说明人们

Since the plate tectonic theory was introduced into China in 1970's, aulacogen has been considered in the area of Helan Mountain in Ordos Basin by some geologists. It is believed that Helan Mountain, Qinling and northern Qilian area were at the stage of rifting development from Mid-Neoproterozoic to Early-Mid Cambrian, and that Qinling, northern Qilian, Helan Mountain formed a trifurcate rift valley system.

自19世纪70年代板块构造理论引入中国后，一些学者把拗拉槽一词赋予了鄂尔多斯盆地西缘贺兰山地区，并认为贺兰山、秦岭、北祁连中新元古代至早中寒武世为裂谷发育阶段，秦岭、北祁连、贺兰山构成了三叉裂谷系。

The rough set theory was put forward by Professor Pawlak ,Poland University of Science and Technology, as a method to study the expression and learning of uncomplete or uncertain knowledge base .It was attached importance by many scholars around the world.

Rough集理论是由波兰华沙理工大学Pawlak教授于20世纪80年代初提出的一种研究不完备、不确定知识库和数据的表达，学习，归纳的理论方法，近年来得到许多国际学者的重视。

Meanwhile, amorphization induced by ion mixing, beginning also with multilayered films, has been extensively studied since early 1980s and some scientists have argued that a positive heat of formation is unfavored for amorphous alloy formation.

同时，80年代初以来，人们也对多层膜离子束混合诱发非晶化开展了广泛的研究。一些学者认为正的生成热不利于非晶态合金的形成。

The scholar Donald Keene, for example, has documented how popular prose, poems, and songs of the war years took similar delight in lampooning the "pumpkin-headed" Chinese and making jokes about their slaughter.

例如，学者唐纳德·基恩纪载了战争年代日本流行的散文、诗词、歌曲中类似的对中国人的取乐：嘲笑他们是&南瓜脑袋&

The first one is around 1980s, when scholars paid more attention to the superficial content of Hong Kong culture, focusing on the introduction of mass media and popular culture.

第一个时期是80年代，学者们多关注香港文化的表层内容，集中于对新闻传媒、流行文化的介绍。

It reviews the development of revenue management in five aspects: forecasting, overbooking, auction, pricing and capacity control.

从20世纪七八十年代开始，大量学者进行航空业收益管理的研究，但对航空领域灵活产品的研究十分少见。

Under Fidel Castro political logic has always trumped economic logic: three times since the 1960s he has reversed more pragmatic, decentralising policies and reimposed central control, as Carmelo Mesa-Lago and Jorge Pérez-López, two Cuban-American economists have pointed out.

在 Fidel Castro 政治上的逻辑之下已经总是打出王牌经济的逻辑：三次自从 1960 年代以后他已经颠倒更忙碌的， decentralising 政策而且再征税中央的控制，如 Carmelo 台地- Lago 和 Jorge P é rez-L ó pez ，二位古巴裔美国人经济学者已经指出。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。