演变

They are different in the evolution of mineral, and microfabrics, which provides possibility to identify the origin of chert.

在夏鲁硅质岩中生物化石残骸内存在方英石和玉髓，为反演生物成因硅质岩的矿物演变序列提供了很好的证据。

The function of Chinese characters, carring thoughts and feelings in the early stage, is promoted to the art realm expressing the grace of chirography, as they evolve with the development of civilization.

文字随著文明的演变和设计领域的开拓，使其功能由早期思想感情的传递，提升为表现文字之美的境界。

Under the same conditions of illumination and the concentration of nutrition, copper chlorophyll has advantage of no-repollution, no-poison, better effect, long-time effect of restrain and so on, comparing with copper ion, and the mechanism that copper chlorophyll and copper sodium chlorophyllin have very strong influence to growth of microalga is analyzed in the theory.

同时，本文也研究了太湖底泥在不同水土比、好氧与厌氧条件下的N、P营养释放规律；太湖底泥粒径分布与其中的N、P、有机物分布之间的关系；模拟太湖的不同疏浚条件，探讨了水体生态系统的演变规律。

The chlorosis develops from light yellow to tan, becoming brown and finally drying to a "scorch".

褪绿部分由淡黄色演变为黄褐色以至褐色，最终变干呈"灼伤状"。

He explored the social function of China's Historical Geography;brought forward the research method of combining literature record with field survey;developed the evolution of geography;set up a monument in the research of environmental changes in the Huanghe Valley;opened up a new field in the research of historical agricultural geogra-phy;unveiled the internal structure of form and evolvement densely-populated areas;settled a base in the research of histo-rical military geography;heightened the research level on the historical cultural geogranhy;made original study on the historical national geography;made systematic study on the issues of transportation in history;made fruitful achievement in the Shaanxi Historical Geography;set up the subject engaged in China's ancient capitals;illustrated the value of chorography;enriched the historical cartology;originated magazines on Chin's Historical Geography;trained a team of research staff in Historical Geography.

他对中国历史地理学史进行了深入研究；发掘了中国历史地理学的社会功能；提出了文献记载与实地考察相结合的研究方法；促进了沿革地理学的发展；树立了黄河流域环境变迁研究的丰碑；开辟了历史农业地理研究的新领域；揭示了人口稠密地区形成和演变的内在机制；奠定了历史军事地理研究的基础；提高了历史文化地理研究的层次；对历史民族地理进行了独到的研究；对历史上的交通问题进行了系统探索；对陕西历史地理的研究取得了丰硕的成果；创立了中国古都学；阐明了地方志的价值；丰富了历史地图学的内容；创办了中国历史地理学的定期刊物；培养了历史地理学的研究队伍。

This book was discussed from the angle of culture linguistics in of the historical setting that phraseology of the communication that jumps over culture, Han Yue produces and its meaning a variety of evolving, Vietnam person uses a Chinese character - Nan word - the development course that Latin changes alphabetic writing, and Han Yue language and Chinese character are mixed in the position in Vietnamese action, it is the admirable chrestomathy that learns Vietnamese.

该书从文化语言学的角度论述了中越文化的交流、汉越语词产生的历史背景及其含义的多种演变、越南人使用汉字-喃字-拉丁化拼音文字的发展过程，以及汉越语和汉字在越南语中的地位和功能，是学习越南语的极佳读本。

The Museum of London effectively introduces visitors to London's history by walking them through successive eras chronologically.

进入伦敦博物馆的参观者可以通过伦敦各个发展阶段的演变来了解这座城市的历史。

Research content except inquire into industry investment continent control policy form, connotation and development process outside, and introduce control policy in classify control industry in high-tech industry, service industries, infrastructure industry because crowd forgather effect with market demand under, circuity west enters China develop.

本研究内容除探讨产业投资大陆管制政策之形成、内涵与演变过程外，并介绍管制政策中列为管制产业中之、服务业、基础建设产业因群聚效应与市场需求下，迂回西进中国之发展。

Analysis on UPCA model spatial sensitivityAgainst the situation that most urban CA model with no consideration of the spatial scale of data input, taking Changsha as the example, it analyzed the UPCA model spatial sensitivity, drew that the appropriate resolution and the neighborhood structure of Changsha area are respectively 30m and C-1 (taking a cell as radius circular neighborhood).

3UPCA模型的空间尺度敏感性分析针对目前大多城市CA模型在模拟城市空间形态演变时没有考虑输入数据的空间尺度影响，本研究论证UPCA模型模拟长沙市城市空间形态的空间尺度敏感性，得出了应用于长沙地区的适宜分辨率和邻域结构分别为30m和C-1(以一个元胞为半径的圆形邻域)，并基于此空间尺度获取了模型的最佳校验参数。

In this research, the index for Hadley circulation intensity is defined as the maximum positive value of the zonal mean streamfunction occurring within the latitudinal zone of 0°~30°N, and index for NPO as normalized sea level pressure difference between the region (20°N, 180°~160°W) and the region (60°N, 180°~160°W).

本文选取0°~30°N区域里最大质量流函数来描述北半球Hadley环流强度随时间的演变，利用(20°N， 180°~160°W)和(60°N， 180°~160°W)区域平均的标准化海平面气压差代表NPO强度。

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。