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By the age of 20, Sir Isaac Newton found a general binomial theorem which lead to the later development of calculus.

20岁的时候,牛顿发现了一个二项式地理,为以后发展微积分做好了准备。

Mo isotopic signatures in sediments can be used as an indicator for redox conditions of paleo-environment and corresponding paleo-oceanography. Therefore, molybdenum isotopes can be used as a powerful tool for understanding the redox conditions of local or regional depositional environment, the biogeochemical cycle of sulfur or carbon, and the geochemical evolution of ancient oceans.

沉积物中的Mo同位素既能指示古沉积环境的氧化还原条件,也能够指示与之相关的古海洋地理环境,因此,Mo同位素是了解局域至区域沉积环境的氧化还原条件、硫和碳地球化学循环及古海洋化学演化等的强有力工具。

The development of cladistic biogeography has three directions. While improving the methods, the methods should be used in more organism species and be used in the lower level area relationships.

目前支序生物地理学的发展有以下3个方向:不断完善方法体系;在更多的生物类群和地理范围得到应用;在更小的区域范围方面的应用。

After a developing periods of about 20 years, cladistic biogeography methods have been used to deal with the historical biogeographical problems of animals, plants and insects.

支序生物地理学经过20年的方法形成、成熟和完善,现已在动物、植物及昆虫的一些类群得到了应用,同时也在评价生物地理区划中区域的关系方面发挥了一定的作用。

The colonizing process of protozoa on PFU has be shown to be fitted to the MacauthurWilson equilibrium model of island biogeography.

实验结果证实了PFU原生动物的群集过程符合生态学的基本原理—MacArthur—Wilson岛屿生物地理平衡模型。

Pointing to the feature that the strata developed controlled by palergeomorphy,reef bank grew upward and sea level relative variability,then on the basis of synthetically analyzing Hthology and logging curves features,and applying the theories of sequence stratigraphy,divided Lianglitage Formation into TST and HST from bottom to top,and 3-4 parasequence sets,8 parasequences,and 11 members.furthermore, recognized shelf margin reef,grain bank, shelf margin bioherm and interbank sea these four facies and 12 subfacies.

针对上奥陶统良里塔格组地层的发育主要受古地理、礁滩体向上营建和海平面相对变化控制的特点,在进行岩性特征、测井曲线特征综合分析的基础上,应用层序地层学原理和方法,将良里塔格组自下而上划分为海侵体系域和高位体系域两个体系域,3~4个准层序组、8个准层序,细分为11个小层。并发育棚缘生物礁、粒屑滩、棚缘生物丘、滩间海4种相,12种微相亚相。

Although theoretical principles have been proposed for designing the nature reserve based on the knowledge of island biological geography, population viability analysis and landscape ecology, they appear unsuitable in practice.

运用地理信息系统为工具,以盐城自然保护区为实例研究,针对当前自然保护区理论存在的设计规划方法的不足,提出了一套具有科学理论依据的操作性较强的保护区设计规划方法。

A biome is "climatically and geographically defined areas of ecologically similar climatic conditions such as communities of plants, animals, and soil organisms."

生物群落是指"类似于气候条件的气候和地理的生态环境,象植物,动物和土壤生物的共同体"。

In his more than half a century' s scientific and educational career, Professor Yang made significant contributions to Chinese geology and paleontology, especially in the fields of fossil brachiopods, Carboniferous biostratigraphy, paleobio-geography, and paleoecology.

杨式溥对中国西北和西南地区石炭纪的腕足动物化石的研究为中国石炭纪地层的内部界线划分、对比、化石组合、地理区系及沉积类型提供了重要证据。

The genetic structure of biotype B and biotype Q was analyzed using random amplifIed polymorphic DNA markers here.

本文利用RAPD分子标记对烟粉虱B型和Q型不同地理种群的遗传结构进行了分析。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。