考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。
Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one original species.
仅仅因为偶然性这个解释被排除，并不能证明心灵感应一定存在；还有很多其他的方法可以得到正面的结果。
Just because chance had been ruled out as an explanation did not prove telepathy must exist; there were many other ways of getting positive results.
在我看来，虽然还没有发现，但在其他行星上一定存在生命。
In my opinion, there must be life on other planets though none has been discovered.
基于这些原因，我们可以假设在神经发育过程中一定存在一个重要的随机因素，特别是在所有正常大脑的发育过程中确实也会发生错误。
For such reasons, we can assume that there must be an important random factor in neural development, and in particular, that errors must and do occur in the development of all normal brains.
数据层中也一定存在变化点。
事实上，这两种判断之间不一定存在共通的标准。
In truth, there is no necessary common measure between these two judgments.
但对于保守党来说一定存在复杂的意义。
It's certainly of mixed value within the Conservative party.
结论是：只要竞争存在，交易或制度费用一定存在。
The upshot is that so long as competition exists, transaction/institution costs must also exist.
虽然，我没有发现他们，但他们一定存在。
限于水平，本文一定存在许多不足，敬请专家学者批评指正。
Limited to my level, there are many deficiencies in paper. Please experts and scholars criticize it.
我不得不说，在这种争论中，一定存在着相当数量的大话，可能双方都有。
I have to say that in debates of this kind there's always a considerable amount of hot air, perhaps on both sides.
尽管如此，我仍然相信真实的事物一定存在，但可能濒临绝种。
Nevertheless, I an convinced that real things do exist, however endangered they may be.
因此，我们可以说在一定时期，数十亿年前那里一定存在过水。
So, we can concluded that there must been water on the planet at one time, billions of years ago.
符号设置文件已经定义，名为Symbols . txt，它不一定存在。
A symbol set file is defined, called Symbols.txt, that doesn't always exist.
因此，暗物质一定存在，而且星云团的碰撞产生的作用力将暗物质同普通物质相分离。
Thus, dark matter must exist, and it was wrenched apart from normal matter by the force of the collision of the clusters.
即是说，如果文学有缘由的，它的背后一定存在作者，所以我们会问，“作者是谁？”
That is to say, if something causes literature, there must be some sort of authority behind it and therefore we find ourselves asking, "What is an author?"
但要使进化真能发生效力，在鼠之鼠之间以及人与人之间，一定存在个体变异。
But for evolution to be able to act, there must be individual variation between mice, and between men.
距骨后先天性三角骨不一定存在，可能是距骨尾骨折远端未愈合的游离骨块。
Behind a talus congenital triangular bone might not have existed which is possible free bone fragment of the fracture of astragalar tail.
你们也许会说一定存在某种生物，会希望永远活下去，会享受一种永恒的存在。
Well, you might say surely there could be creatures that would want to live forever, that would enjoy an eternal existence.
实际目标不一定存在孤立点，本文提出了一种对连片目标回波运动补偿的新方法。
However, in reality, this isolated point can not always be found. A new scheme which can compensate the motion effects for continuous target return is presented in the paper.
因为他们抱持著一种信念…这世界上一定存在著善良，并且值得我们奋战到底！
That theres some good left in this world, Mr. Frodo, and its worth fighting for.
有效链密度和性能间关系的数据表明，共混体系不一定存在硫化胶那样的对应关系。
X-ray diffraction studies revealed that unit cell dimensions of PP did not change in the presence of EPDM. The influence of …
这个例子很明显地演示了jsf请求url与视图模板之间并不一定存在一对一的关系。
This example clearly demonstrates that the one-to-one mapping between a JSF request URL and view template is not imperative.
运用所学经济学原理解释这一价值悖论。3、存在范围经济的企业一定存在规模经济。
Use the economics principle to explain this paradox of value. 3, the enterprises with economies of scope must gain economies of scale.
在数字高程模型(DEM)允许误差的条件下，一定存在最优基线使得DEM精度最佳。
In the condition of acceptable Digital Elevation Model (DEM) error, there must be an optimal baseline which makes DEM precision highest.
只三年他把中国的通胀率从百分之二十以上调整至零，而当时的产品品质正在急升，通缩一定存在。
In three short years he brought inflation from over 20% to zero, and given sharply rising product quality at that time deflation must be implied.
让我们从身体开始说起，一般人认为物质上的东西一定存在，因为他们从感知中得到证明。
Let us begin with the body. The plain man thinks that material objects must certainly exist, since they are evident to the senses.
只要存在某个提供顾客的产品或者服务，就一定存在一个价值流。挑战在于如何去看到它。
Whenever there is a product (or service) for a customer, there is a value stream. The challenge lies in seeing it.
只要存在某个提供顾客的产品或者服务，就一定存在一个价值流。挑战在于如何去看到它。
Whenever there is a product (or service) for a customer, there is a value stream. The challenge lies in seeing it.
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