The bridge crosses the river in a single span.
河上的桥为单跨桥。
The images that survive in this part of the world span at least 20,000 years.
在这个地区保存下来的图像至少有2万年的历史。
This in itself is an almost incomprehensible span of generations, and one that makes Australia's rock art the oldest continuous art tradition in the world.
这本身就是一个几乎难以理解的跨越几代人的过程，这使得澳大利亚的岩石艺术成为世界上最古老的持续的艺术传统。
There are striking differences in life span between different species, but within one species the parameter is relatively constant.
不同物种之间的寿命存在显著差异，但在同一物种内，这一参数是相对稳定的。
In comparison to the life span this relationship is "inverted": the larger the organism the lower its metabolic rate.
与寿命相比，这种关系是“反向的”：生物体越大，其代谢率越低。
Thus they are not able to "experience life" and so they attain a high life span in captivity.
因此，他们不能“体验生活”，从而在囚禁中获得了较长的寿命。
Most of the improvements in life span are the result of preventive, rather than treatment.
大多数寿命的延长是预防的结果，而不是治疗的结果。
Experience will show that to live in this way not only increases the life span but is also very healthy.
经验会表明这样的生活方式不仅能延长寿命，而且是非常健康的。
The researchers believe this damage negatively affects attention span in boys, and girls' ability to comprehend and interpret visual information.
研究人员确信，此类损伤对男孩的注意力持续时间和女孩理解图像信息的能力造成了不良影响。
The genesis of the project life span process, in its most basic form, is to be found in the very term "project management" itself.
项目生命周期过程的起源，从最基本的形式上，可以在“项目管理”其本身的术语中找到。
Transactions cannot span databases, but they can span schemas in the same database.
事务不可能跨数据库，但是可以跨越同一个数据库中的不同模式。
To extend the frame and create an adjustable platform, Teal designed a long span in the middle of the bike that was light and rigid.
为了扩展车架并打造一个可调节平台，蒂尔在自行车中间设计了一个既轻且硬的长轴。
The cube would complete a rotation in the span of one year.
这个立方体完成一次旋转需要一年的时间。
In a very short span of time, there were major observable differences in results.
在很短的时间内，取得的成果显而易见，而且大大好于从前。
For example, annotations might be attached to a span of text in a document.
例如，注释可能被附加到文档中的一段文本上。
Such restriction has been shown to reduce risk factors for several chronic diseases in animals and humans and to increase life span in rats, mice, fish, flies, worms and yeast.
这种限制可以减少在动物及人类身上的一些慢性疾病的发病因素，扩展老鼠，鱼，苍蝇，蠕虫和酵母的生命期。
Deep sea floors rich in oil span the globe.
富含石油的深海海床遍布全球。
The precision index for the carrier rocket that carries the spacecraft entering the orbit is highly upgraded; besides its life-span in the orbit is increased by a big margin.
发射飞船的运载火箭入轨精度指标比过去有大幅提高；另外，在轨寿命要求大幅提高。
Don't get stuck in the here and now when what is happening at this moment is just a small span in a long career.
人的生涯漫长，今天所发生的情况仅仅是一小段，不要因此而困扰。
Each calendar entry exists in a span element in the HTML.
每个日程表条目都存在HTML的span元素中。
Average life span in the wild: 70 years.
在野生环境中的平均寿命：70年。
Average life span in the wild: 45 to 50 years.
野生时的平均寿命：45 ~50年。
Is the largest span in the world today, the ancient construction of the first open-shoulder stone arch bridge.
是当今世界上跨径最大、建造最早的古代敞肩型石拱桥。
Give some construction examples to introduce how to take some effect measures to control cracks of long span in RC frame beam.
通过工程实例，介绍应如何在施工实践中，采取各种有效措施以控制大跨度框架梁裂缝的产生。
The time of span in which all these happens is called life time.
这个特定的时间跨度容纳了所发生的一切。它因此被称作生命的时光。
The practical construction results show that the computation theory of this rails beam is credible and this rails beam is a good method to enhance rail's span in the crossing site.
理论计算及工程实践表明本连续梁式架空轨束梁的设计计算方法可靠，连续梁架空方式是提高轨束梁架空跨度的有效方法。
The most exciting findings for Resveratrol is the extension of life span in C. elegans, fly, and fishes.
最激动人心的发现是白藜芦醇能延长线虫、苍蝇和鱼的寿命。
Objective To study the effects of din-butyl phthalate on the fecundity and the life span in drosophila melanogaster.
目的研究邻苯二甲酸二丁酯对果蝇生育力和寿命的毒性作用。
Objective To study the effects of din-butyl phthalate on the fecundity and the life span in drosophila melanogaster.
目的研究邻苯二甲酸二丁酯对果蝇生育力和寿命的毒性作用。
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