例如，我们甚至不知道有多少恒星有行星，我们当然也不知道如果有适当的条件，生命自然出现的可能性有多大。
We do not even know, for example, how many stars have planets, and we certainly do not know how likely it is that life will arise naturally, given the right conditions.
一个解答自然出现了。
她的观察有助于驳斥一种普遍观点，即昆虫会从泥土中自然出现。
Her observations helped dismiss the popular belief that insects spontaneously emerged from mud.
这个溪谷不大可能是自然出现的。
我脑中自然出现了这个问题。
压抑情感不是在进化过程中自然出现的。
Repressed emotions do not occur naturally, during evolution.
资源自生——在地球地表和大气层中自然出现的资源。
Resource endowment — the natural occurrence of resource in the earth's crust and atmosphere.
随着时代的大变迁，氢开始在靠近拓扑空间的中心自然出现。
Following a major shift of epochs, hydrogen began to appear spontaneously near the center of the spatial topology.
然而，忽视所有人生中在意外的时刻自然出现的机会同样愚蠢。
However, it would also be foolish to ignore all the opportunities that spontaneously present themselves at unplanned instants throughout our lifetime.
在决定了出行的目的地和交通工具后，出行时间的选择就自然出现了。
After deciding destination and mode choice, a natural question is about departure time choice.
这一过程应用了少量的自然出现的矿物质去增加浓度，不超过百万分之一。
The process USES small amounts of the naturally occurring mineral to increase concentrations to no more than one part per million typically.
它需要勤奋，以及去意愿观察在你周围的所有镜子，包括大自然出现的镜子。
It requires diligence and a willingness to observe all mirrors around one, even the mirrors that nature presents.
氡，放射性气体，由泥土中自然出现的铀衰变中释放。EPA已经注意到它是肺癌的主要环境原因。
Radon, the radioactive gas given off from the decay of naturally occurring uranium in soil, has been noted by the EPA to be a major environmental cause of lung cancer.[5]The
许多项目(如研究开发项目)都属于这一类，因此那些方法能够降低估算风险的问题也就自然出现了。
And since a lot of projects (such as research and development) fall into this category, the question naturally arises as to whether some method might be employed to reduce estimating risk.
这项新研究采用准实验设计，即从一个自然出现的情形获取数据，这种情形就是孩子们处在两种不同的纪律环境下。
This new study USES a quasi-experimental design to derive data from a naturally occurring situation in which children were exposed to two different disciplinary environments.
任何与使用自然意象无关的东西都不应出现在这篇论文中。
Anything unrelated to the use of nature imagery has no place in the paper.
一些科学家质疑这样的假设，即在自然生态系统中，外来物种的出现是绝对不会被接受的。
A number of scientists question the assumption that the presence of alien species can never be acceptable in a natural ecosystem.
随着机器人扮演的角色更加复杂，问题自然而然地出现了：若机器人做错事情的话，谁来负责？
As robots take on ever more complex roles, the question naturally arises: Who will be responsible when they do something wrong?
地热能主要以干热的岩石、自然热水或自然蒸汽的形式出现在近期火山活动的区域。
They occur primarily in regions of recent volcanic activity as hot, dry rock; natural hot water; or natural steam.
作为中国最著名的动物，大熊猫出现在世界自然基金会（WWF）的标志上。
As the most famous animal of China, the giant panda appears in the logo of the World Wildlife Fund for Nature (WWF).
所以问题很自然就出现了：对于从生产商到经销商再到商店和货架的整个供应链，如何进行优化？
So very naturally the question arises: How can the supply chain from the manufacturer to the distributor onto the store and onto the shelf be optimized?
我相信这是吸血鬼电影中唯一一个以自然发色出现的红发吸血鬼。
I'm pretty sure this is the only (natural) redheaded vampire I've seen at the movies.
燃料消耗自然也出现了同比例下降。
Naturally, fuel consumption also dropped by an equivalent percentage.
即光脖子物种的出现必然是自然选择的结果。
That they developed naked necks is surely the result of natural selection.
这个帖子是出现在自然专栏，而非语言。
This post briefly mis-stated that the study appeared in Nature, not Language.
以e为底的对数（自然对数）出现在复合计算以及大量科学和数学应用程序中。
Logs base e (natural logarithms) appear in the calculation of compound interest, and numerous scientific and mathematical applications.
Lisi展示了多种物理已知的基本粒子和力可以被放于E8模型的点上，并且自然的出现了它们间的相互作用。
Lisi showed that the various fundamental particles and forces known to physics could be placed on the points of the E8 pattern, and that many of their interactions then emerged naturally.
虽然摄影师通常能够在自然环境中“安排”物体如树叶，这通常会出现不自然的照片。
Although a photographer can sometimes "arrange" objects in a natural environment such as leaves, this often results in a contrived looking picture.
在很多时候，路径可能很拥挤，可能出现事故、自然灾难或业务冲突，这些都会导致传输延迟。
Many times, the paths can be congested and there may be accidents, natural disaster or business disputes that can cause transmission delays.
在很多时候，路径可能很拥挤，可能出现事故、自然灾难或业务冲突，这些都会导致传输延迟。
Many times, the paths can be congested and there may be accidents, natural disaster or business disputes that can cause transmission delays.
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