If there are no truly non-venomous snakes, were the so-called non-venomous snakes, like constrictors and pythons, were they venomous at some point in their evolution?
如果没有真正的无毒蛇，那些所谓的无毒蛇，比如蟒蛇和巨蟒，在它们进化过程中的某个阶段是有毒的吗？
"Their evolution has never been idle," he says, and presumably never will be.
“过去羽毛的进化绝不是无用的，”他说，而且估计将来也绝不会无用。
“Their evolution has never been idle, ” he says, and presumably never will be.
“过去羽毛的进化绝不是无用的，”他说，而且估计将来也绝不会无用。
From their evolution we can see the changes of symbol art style and its features.
从标志的演变过程可以看到标志艺术风格、特点的变化。
The dicotyledons diverged at an early stage of their evolution into two main groups.
双子叶植物在演化的早期阶段就已分化为两大支派。
Reconstructing how galaxies have merged is a vital part of understanding their evolution.
如何重构星系合并是一个认识其演变的重要组成部分。
Everyone is at a point in their evolution where they have to choose the path they wish to take.
大家都在一个点的演变，他们必须选择的道路，他们希望。
These folks had already made much progress in their evolution and are ready to take a leap forward.
这些人已经取得了很大进展及其演变和准备采取的飞跃。
However, there is no total loss as we can transfer them to other planets to continue their evolution.
但是没有全部消失，其实我们把他们转移到了其他的行星之上继续它们的进化之旅。
Bear in mind Dear Ones, that there are other Universes that souls can move to it if is beneficial to their evolution.
铭记在心，亲爱的，其他宇宙的灵魂也能参与进来如果这个课题对他们的进化有帮助。
Insects keyed into this system of chemical relationships between related plant species very early in their evolution.
昆虫在它们进化的过程中很早就已楔入在相近植物物种间的化学关系的系统之中。
However, it will hold back their evolution, but since life is infinite they will still advance on the path of their choosing.
然而，它会阻挡他们的进化，不过因为生命是无限的，他们仍然会在他们选择的道路上进步的。
Bear in mind we are referring to groups of different souls, that come together for the purpose of furthering their evolution.
请记住，我们在提到的是关于不同的团体，因为他们的进化路程的更远目标而走到一起。
Their evolution has been alternatively controlled by two kinds of stress field-left lateral compression, right lateral tension.
它们的演化受左旋挤压、右旋拉张两种应力场的转换控制。
But ambitious private companies are acquiring foreign brands in hopes of speeding up their evolution into international competitors.
但雄心勃勃的私营公司并购海外品牌则是希望早日加入国际竞争者行列。
Releasing the electrical parts through karmic transcendence frees them to move to a creation that resonates and can support their evolution.
通过业力超越来释放所有电性，使其回到与之共鸣与支持其进化的地方。
The genetic difference between germ plasm depend on mainly their evolution relation, and not was related consequentially to their Culture type.
种质间的遗传差异并不完全取决于栽培类型间的差异，而与种质问演化关系有关。
The workings of these institutions are important to comprehend if we are to predict their actions today and their evolution in the coming information age.
如果今天我们要预测他们的行为，以及他们在即将到来的信息时代的进化，这些组织机构的运行对于我们的理解是十分重要的。
Based on the analysis of the time-space distribution features of SST anomaly, some space distribution patterns and their evolution with time are obtained.
然后对此范围内SST距平的时空分布特征进行分析，得出其分布型及随时间的演变。
The paper suggests clustering the return series of industrial indexes stage by stage to explore the relations among industries and their evolution course.
文章提出对行业指数收益率序列分阶段进行聚类分析的动态分析方法，以考察行业间的相互关系及其演化过程。
The barrier function of human beings and mammals, formed during their evolution and in the process of adaptation to the environment, is regulated by nervous system.
人和哺乳类动物在进化和适应外界环境条件过程中所形成的屏障机能是由神经系统来调节的。
Often, organizations that successfully and consistently use solution lifecycle methodologies like RUP look at implementing EA as the next milestone in their evolution.
通常，成功且一贯使用解决方案生命周期方法，如RUP的组织将EA的实现视为演进的下一个里程碑。
Other massive stars in the nebula have raced through their evolution and exploded catastrophically as supernovae, expanding these bubbles into x-ray-brightened superbubbles.
这个星云里的其它大质量恒星已经走完了它们进化史的最后一章，变成了超新星并爆炸，将含有极高能量的射线及物质撒向浩瀚的宇宙。
Management: Led by the Product Manager, it defines initial content and timing of the release, then manages their evolution as the project progresses and variables change.
管理者：由产品经理领导，该小组确定该版本的初始内容和发布时间，然后管理项目开发进度的变化以及各种因素的变化。
Their evolution of the concept of marriage and family could be traced to the profound social causes and meanwhile reflected the progress as well as limitation of the time.
她们婚姻家庭观念的变化有着深刻的社会原因，反映了时代的进步和局限。
This program, along with other analysis techniques could allow paleontologists to learn more about how these species lived and how their environments influenced their evolution.
这个程序和其他的分析技术可以使古生物学家了解更多关于这些物种如何生活、它们赖以生存的环境如何影响它们的进化之类的问题。
The study represents "a major advance in our understanding of protoplanetary disks and their evolution, " Watson says. And astronomer Zoltan Balog of the Steward Observatory.
沃森说：“在对原行星盘及其演化情况的理解上，该研究取得了较大的进展。”亚利桑那州图森史都华天文台。
The study represents "a major advance in our understanding of protoplanetary disks and their evolution, " Watson says. And astronomer Zoltan Balog of the Steward Observatory.
沃森说：“在对原行星盘及其演化情况的理解上，该研究取得了较大的进展。”亚利桑那州图森史都华天文台。
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