但是时期的划分并不是这样规整。
占星家们管这段时期为一个大年，并且将其划分为12个大月或称之为占星学意义上“时代”，每一个时代持续2 147年，对应十二星座符号之一。
Astrologers call this period aGreat Year, and they divide it into 12 Great Months or astrological"ages", each about 2, 147 years long. Each age corresponds to one of thesigns of the zodiac.
显生宙可划分为三个时期——依次经历古生代、中生代和新生代。
The Phanerozoic is divided into three eras -starting with the earliest, these are the Paleozoic, Mesozoic, and Cenozoic.
显生宙可划分为三个时期——依次经历古生代、中生代和新生代。
The Phanerozoic is divided into three eras — starting with the earliest, these are the Paleozoic, Mesozoic, and Cenozoic.
它起源于1699年波斯尼亚还是奥斯曼帝国时期，而非上世纪的地界划分。
This dates not from some carve-up in the last century, but from 1699 when Bosnia was part of the Ottoman Empire.
使用纯净和圣洁的语言，来划分以色列与其他国家的界线，就是流放后时期的一个特色。
The use of purity and purity language to inscribe boundaries between Israel and other nations is very characteristic of the post-exilic period.
回顾两国在该领域的互动，大致以北约启动东扩为分界点划分为合作与对抗的两个时期。
The interaction between them could be divided by the launch of NATO' s eastward expansion into two periods - cooperation and confrontation.
地理时间的使用始于大英帝国时期，当时用纬线和经线划分世界，零度经线通过伦敦的格林尼治天文台。
The geographic use of time began during the British Empire with the world divided by latitude and longitude, with zero degrees longitude running through the observatory at Greenwich, in London.
第二部分对县级土地利用数据库的建设时期进行了划分。
Chapter II - the division of land use database for county establishment period.
本文对刘鹗的生平、业绩进行了扼要的述评，将其生平划分为六个时期，并对刘鹗的师承关系和相关问题进行了研究和探讨。
This paper gives a brief analysis of Liu Er's life and achievements, dividing his life into six periods, and examines the teacher-student relationship and relative problems.
本文通过对迄今我国环境管制结构三个时期的划分，主要研究了特定时期我国的环境管制结构及其变迁的动力机制。
By dividing the environmental protection process into three periods, this thesis mainly researched the environmental regulation structure and its dynamical mechanism to change in certain period.
本文还讨论了成熟花粉粒败育时期和败育形态的划分。
Division of mature pollens abortive stage and shape were also discussed in this paper.
以陆华柏的作品为依据，对陆华柏的创作时期进行划分，总结出各时期的主要特征，能够更清晰地把握作曲家的创作脉络。
Based on his compositions, the division of his creative period can help summarize the main characteristics of each period and better understand his creative thinking.
我国农作制度的历史演进过程大致可以划分为四个时期，即撂荒制、休闲制、轮种制和集约制。
The historical evolution of tillage system in China can be divided into four stages: abandoning cropping system, fallow cropping system, rotational cropping system, and intensive cropping system.
这些斜层理可以划分为高达4组不同特征的组合，分别代表潮流沙脊发育的不同阶段，对应于冰后期海平面上升的不同时期。
These inclined beddings can be divided into 4 bedding assemblages to represent different development stages of tidal sand ridges and to correspond to different postglacial sea-level rise periods.
明清时期《三国演义》的传播者按传播媒介划分可分为文本传播者和口头传播者。
Ming and Qing Dynasties "the Three Kingdoms" communicator divided by the mass media can be divided into text and oral communicators.
本文第一章首先对弗洛伊德的艺术背景做了简要的概述，然后通过对他不同时期艺术风格的划分做了全新的归纳和解读，深化了我对弗洛伊德艺术道路的认识。
In the first chapter, first of all, Freud's art background to do a brief overview. Then, I have different periods of his artistic style of the new induction and understanding.
20世纪中国的近代汉语语音研究可以大致划分为两个时期、三个阶段。
The phonetic research of the Modern Chinese in the 20th Century is roughly divided into three parts of the two periods.
根据不同时期双方关系的不同特征与状态，全文将1975年至1995年的越南与美国的关系划分为三个阶段。
According to the various characteristics of different periods and the state of bilateral relations, the Vietnamese relations with the United States from 1975 to 1995 is divided into three phases.
从而以本文划分的早、晚期为经、以地域为纬，大致勾勒出该地区夏时期“多重结构的”考古学文化特征的形成过程。
This paper gave a brief account of the multiple culture structure of this area , at the early and late period.
根据上证国债指数近年来的走势，将上海证券交易所国债市场(以下简称“上交所国债市场”)划分为下跌和上涨两个时期。
The Treasury market of Shanghai Stock Exchange is divided into two stages according to the trend of Treasury index.
纵观叶芝的诗歌创作，如果将之划分为前、中、后三个时期来看，他的贵族风格的诗和精神都有阶段性相应的变化。
Make a general survey of Yeats poetry, if it will be divided into the initial, mid-term and later stage, his aristocratism of poetry and spiritual phased corresponding change.
众所周知，公私法划分的传统在西方法律史上最早可以追溯到古罗马时期。
As we know, the tradition of distinguishing public law and private law goes to ancient Rome.
第三章分析《罗马史纲要》的史学特色——简明、修辞化的语言、对罗马史四个时期的划分。
The third chapter focuses on the styles of the Epitome—brief, rhetorical language, four stages of Roman history;
当代文学三十年，大致可以划分为四个阶段：新时期文学、80年代文学、90年代文学、新世纪文学。
The thirty years contemporary literature can be divided into four stages:new period literature, 1980s literature, 1990s literature and new century literature.
这一时期又可以划分为三个阶段：一、近代法国在华教会教育的兴起（1840年——1860年）；
This term can divide to three phase: 1, . The rising phase ofFrench parochial education in modern China(1840------1860);
本试验以啤酒大麦的植株外观特征为依据，划分了四个不同收获时期。
Based on the external features of malting barley, harvest can be conducted in four junctures.
第二部分在把长江上游地区划分为十二大区域的基础上，分别复原和分析了唐宋时期这些地区的森林覆盖情况。
In the second section the author analysed the distribution of the forest during the Tang and Song Dynasties on the basis of dividing these areas into 12 small regions.
第二部分在把长江上游地区划分为十二大区域的基础上，分别复原和分析了唐宋时期这些地区的森林覆盖情况。
In the second section the author analysed the distribution of the forest during the Tang and Song Dynasties on the basis of dividing these areas into 12 small regions.
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