These discoveries have raised new questions concerning the origin and distribution of early mammals.
这些发现提出了有关早期哺乳动物的起源与分布的新问题。
Variations in the number, origin and distribution of the apical and lower segmental arteries have been described.
顶、下段动脉的数目、起源和分布范围常有变化。
Sediment facies reveal the sediment environment of the interest interval, the origin and distribution rule of the reservoir.
沉积相揭示了目的层段的沉积环境、储集岩成因及其分布规律。
Shongliao basin is a rift basin with a strong fault activity and the faults in the basin are closely related to the origin and distribution of natural gas.
松辽盆地是断裂活动十分活跃的裂谷型盆地，盆内断裂与天然气的形成、分布有密切的关系。
The research shows that the latter tectonic stress field controlled the origin and distribution of interlayer fracture zones, transverse interlayer anticlines and underground openings.
同时，该应力场所控制的层间破碎带和背斜，大大影响了地下空洞的成生和分布。
Objective: to explore the origin and distribution of nerves in whole esophagus, and provide anatomic data for esophagectomy with vagus nerve reservation adopting minimally invasive operation.
目的：观测全程食管的神经来源与分布特点，为临床行迷走神经保留式食管切除微创术提供解剖学基础。
Astrobiology is the study of the origin, evolution, distribution and future of life in the universe.
天体生物学是研究宇宙生命起源，演化，分布和未来的学科。
The science of life and of living organisms, including their structure, function, growth, origin, evolution, and distribution. It includes botany and zoology and all their subdivisions.
生物学生命或生物的科学，包括其结构、机能、生长、起源、进化及分布。包含植物学和动物学及所有的分支。
This paper briefly introduces the research findings covering in discovery, origin, distribution, biochemical characteristics, coding gene, and expression of myrosinase.
对芥子酶的发现、起源、分布、生化特性、编码基因和表达等方面的研究进行了简单的综述。
Using the data of outcrops, cores, thin sections and image logs, we analyzed the fracture origin types, distribution characteristics and formation sequences.
利用地表露头、岩心、薄片和成像测井等资料，对该区裂缝的成因类型、分布特征及其形成序列进行了分析。
As distribution center and the origin area of Hippophae, China contains rich resources of sea buckthorn.
作为沙棘属植物的类群分布中心和起源中心，中国蕴藏有丰富的沙棘资源。
There are six permanant exhibition areas, introducing the origin, plantation, distribution, toasting and culture of coffee as well as basic information.
博物馆总共有六个常态展示区，分别介绍咖啡的来源、栽植、分布、制作烘培、文化、以及相关基本资讯。
The study of HSC on the origin, distribution and phenotypic changes will provide a new direction for the treatment and reversal of hepatic fibrosis.
对HSC起源、分布与表型转变的研究将为治疗与逆转肝纤维化提供新的方向。
Based on the field investigation and test data, this thesis studies profoundly on the characteristic, the origin mechanism and the characteristic of distribution of loess hidden cavity.
本论文以大量的野外调研为基础，结合现场试验和室内试验数据，对黄土暗穴的特征、成因机制、分布规律进行了较深入地研究。
Based on data of soil samples and supported by GIS technologies, this paper has discussed the relationship between origin of heavy metals in soils and spatial distribution in Xuzhou city.
为此，在土壤采样点数据基础上，利用G IS技术，对徐州市土壤重金属来源与空间分布关系进行了研究。
When considering product traceability can relate to the origin of materials and parts, the processing history, and the distribution and location of the product after delivery.
当考虑产品时，可追溯性可涉及到：原材料和零部件的来源；加工过程的历史；产品交付后的分布和场所。
The evidence from molecular clocks, fossils and geographic distribution data on the origin time of angiosperms has been greatly accumulated in the past two decades.
分析了用于推测被子植物起源时间的分子、化石和地理分布证据。
Finally, combined core analysis data with log interpretation data, the rules for reservoir develop distribution and quality is worked over on the basic of fruit of reservoir origin mechanism.
最后，在岩心分析资料和测井解释结果的基础上，结合有关储层成因机制的研究成果，对研究区内各种储层类型分别进行储层发育分布规律研究和质量评价研究。
The origin, distribution, variety characters, production trait, fertility, utilization, adaptability, disease resistance, and feeding conditions of Boer goat were introduced.
详细介绍了波尔山羊的起源、分布、品种特性、生长发育、生产性能、繁殖性能、利用途径、适应性、抗病力及饲养条件等。
Deep basin gas accumulations are distinct from normal ones in origin mechanism, genetic features and distribution rules.
深盆气藏是一类在成藏机制、成因类型和分布规律上甚为特殊的非常规类型。
By analyzing the origin spatial distribution recreationists of tourist to Hefei, the author expounds the socioeconomic background of tourist and the features their tourism preference.
分析了合肥市外地旅游者客源地空间分布规律，阐述了旅游者社会经济背景和旅游偏好特征。
The Hengduan Mountain region of China is the present distribution centre and probable origin centre of Isodon.
中国横断山区是其现代分布中心和强烈的分化中心，也可能是其起源中心。
This paper discusses the attraction between the origin and destination(O-D), the method of O-D distribution and its application.
本文对O-D分布方法中两结点间的相对吸引力和分布模型进行了探讨。
So far people pay too much attention to the origin, distribution, structure and elastic deformation of the reticulate red clay.
至今人们对于网纹红土的研究主要集中在其成因分布、结构构造、弹性变形等方面。
The new discovery expands the geological and geographical distribution of the fossil record of dinosaur eggs in China and may reveal the origin of eggshell microstructures of spheroolithid eggs.
新发现扩展了中国恐龙蛋化石的地质和地理分布，也有可能为圆形蛋科蛋壳结构的起源提供新的认识。
By defining the distribution of the origin and the positive and negative distribution, theorems are obtained that make it possible to optimize data processing for grey forecasting modelling.
文中研究了灰指数律的性质，齐次与非齐次指数律和原点分布、正分布、负分布的指数律，获得了有关的定理为灰色预测建模的优化信息处理，提供了依据与基础。
The distribution of genus Trachycarpus was analyzed and its origin were discussed.
同时对棕榈属植物的分布进行分析。
The origin and spread : The analysis of distribution pattern of species shows that the region is probably the place of origin of the genus.
通过对中国芸薹属植物分布的分析，笔者推测中国芸薹属植物的散布可能有四条散布途径。
The origin of flora is ancient in the distribution area of the giant panda and its elements are complicated.
大熊猫分布区的植物区系起源古老，成分复杂。
The present study deals with Fe-Mn nodules in the aspects of form, occurence, distribution, configuration, structure, composition and origin.
本文从铁锰结核的形态、产状和分布、结构和构造及物质组成等，探讨南海铁锰结核成因问题。
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