In the course of evolution, some birds have lost the power of flight.

在进化的过程中, 一些鸟丧失了飞行能力。

A cultural and social evolution now becomes rapid.

现在文化和社会很快。

The evolution of heat from the sun is inestimable.

从太阳中放射出的热是无法估计的。

From some field investigations (like Lake Constance and Lake Mead), the shape of a delta is not a Gilbert delta.Slope evolution between foreset and bottomset is not sharp but smooth.

当河川流入湖泊或水库时，若河川的密度是高于湖泊，时河川就会潜没入湖泊的底部形异重流。

The genesis of individual morality is constituted by such two closely connected stages as the genesis and evolution of heteronomous morality, as well as the formation of autonomous morality.

个体道德的生是由他律道德的生与自律道德的形个紧密相连的阶段所构的。

If we look we may find that direction and goals can emerge in biological evolution from a mob of directionless and goal-less parts, without invoking vitalistic or supernatural explanations.

如果我们仔细回顾，我们可能会现，生物进化中呈现出来的方向和目标可能正产生于一大团无目的和无方向的组部分之中，无需援引活力论或者其他什么超自然的解释。

With the numerical simulated data of the storm, the structure and evolution of the helicity, superhelicity and their dynamical influences on the development of the storm are investigated.

原有对流单体在原地维持熟的结构，表现出较强的稳定性，分裂出的新单体在移动过程中，逐渐向熟位相，且又分裂出新的单体。

Under the influence of this classic evolution thought, there are some misunderstandings in historical documents in the research of couvade in China.This problem should draw the scholars' attentions.

我国学者在古典进化论思想的影响下，在研究“产翁制”时，对古文献的理解存在著严重偏差，应该引起文化史研究者的重视。

According to Brinkman, as the brain evolved, one side became specialised for fine control of movement (necessary for producing speech) and along with this evolution came righthand preference.

根据Brinkman，认为的大脑，一面变得专门很好的控制行为(产生语言能力的需要)且沿着种为惯用右手偏好。

A famous image from Darwin's Origin of Species, written over a century before the dawn of the first computer, precisely embodies the task of evolution in computerese.

达尔文的《物种起源》写于一个多世纪之前，第一台计算机尚未出现的时代。书中有一个著名的形象化描述，精确地体现了运用计算机语言实现进化的使命。

After studying the mental mechanism of language source and evolution through exploring the "past" of anthropogenesis and its development, we can grasp the process of language evolution.

只有通过对人类起源及的“过去”的寻根究底，来探究语言起源与进化的心理机制，才能把握语言进化的历程。

But slows down then possibly meant senile, or moves towards by other heavenly body receive the self-deconstruction, this then is the universe photostar general evolution history.

放慢则可能意味着衰老，被其他天体接收或走向自我毁灭，便是宇宙星体大概的演化史。

Argand's mobilism thought as to the dynamical evolution process of the tectonics in On Major Tectonic Forms of China. Then, he absorbed the quintessence of A.

在《中国主要地质构造单位》中,他运用阿尔冈活动论的思想,阐述了中国大地构造的动力演化过程。

Charles Robert Darwin is not only an extremely important thinker in the history of evolution thoughts but also a famous urger before the ecology revolutionary.

查尔斯·罗伯特·达尔文不仅是进化思想史上一位极其重要的人物,且也是生态学命名以前的伟大倡导者。

In the paper, the comentropy theory is extended and applied to analyze the structural characteristics and law in the process of evolution of hydrologic cycle.

该文拓了水文循环演化过程中摘理念，在水文结构特征和规律分析中应用，现判别其突变或灾变的阈值指标，为预测水文循环演化趋势提供了新思维。

Evolution is regarded as a branching process, whereby populations are altered over time and may speciate into separate branches, hybridize together, or terminate by extinction.

进化被视为一个分枝过程；随着时间的推移，种群生改变，种群也可能进化为分枝，也可能相互杂交或灭绝终止。

The cluster analysis method of karyotype resemblance-near coefficient was used to study the relationship and evolution of seven species in the genus Kerria.

摘要运用核型近似系数聚类分析方法，分析了胶蚧属7种紫胶虫的亲缘关系与系统演化。

The sapropel-type organic matter evolution need higher temperature and biger depth and its main gas generating zone is deeper than humic-type organic matter's.

腐泥型有机质的演化需要更高的活化能，需更高的温度和更大的深度，其生气主带深于腐殖型有机质源岩层的位置。

The observed deltas are highly two-dimensional in planform, adopting palmated structures which retain throughout their evolution a high degree of mirror symmetry.

实验观察到的三角洲，为一高度二维蹼狀且镜面对称的构造。

Heterogenous expression of active nitrile hydratase (NHase) was focused for its great potential in genetically evolution of the operational stability of NHase.

为从基因水平上改造腈水合酶,进行了诺卡氏菌腈水合酶基因的外源表达研究。