1.持续时间the length of time that sth lasts or is able to continue
I worked with him over a span of six years.我和他共事达六年之久。
The project must be completed within a specific time span .这项工程必须在规定期限内完成。
Small children have a short attention span .幼儿注意力持续时间短。
2.~ (of sth)范围；包括的种类a range or variety of sth
Managers have a wide span of control.经理的职权范围很大。
These forests cover a broad span of latitudes.这些森林绵延在多个纬度上。
3.（桥或拱的）跨径，跨度，跨距the part of a bridge or an arch between one vertical support and another
The bridge crosses the river in a single span.河上的桥为单跨桥。
4.宽度；翼展the width of sth from one side to the other
The kite has a span of 1.5 metres.风筝宽 1.5 米。
1.~ sth持续；贯穿to last all through a period of time or to cover the whole of it
His acting career spanned 55 years.他的演艺生涯长达 55 年。
Family photos spanning five generations were stolen.一家五代人的照片失窃了。
2.~ sth包括（广大地区）；涵盖（多项内容）to include a large area or a lot of things
The operation, which spanned nine countries, resulted in 200 arrests.这次行动涉及九个国家，逮捕了 200 人。
3.~ sth横跨；跨越to stretch right across sth, from one side to the other
a series of bridges spanning the river架在河上的一系列桥梁
In a series of globe-spanning meetings in recent months, Nokia, too, began to see Microsoft as the best fit.
经过近几个月一系列的全球性会议后，诺基亚也开始将微软视为最合适人选。
The two-and-a-half months spanning these dates that Mars is retrograde would not be the time for you to launch new ventures.
在火星逆行的这两个半月的时间里不适合启动新的风险投资。
For a set of connected graphs, a spanning subgraph of a graph is called an -factor if every component of is isomorphic to a member of .
给定连通图集合，对图的生成子图，如果的每个分支都同构于集合的一个元素，则被称为的-因子。
Spanning the length of two football fields, the footprints hint that a giant predator was a bit pigeon-toed.
该组脚印跨越的长度达两个足球场，并暗示这是个巨型食肉动物，有点内八字。
Musa represents a younger generation of spokesman, who understands the unforgiving, instant and planet-spanning nature of the modern media.
穆萨是年轻一代的发言人，他了解现代媒体的“不可饶恕性”和“快速传播性”。
This set of American state papers on China, spanning the century since 1839, is an agreeable exception to the general rule.
这一套关于中国从1839年开始横跨了世纪的美国国家报告，却是一般规律外的一个例外。
The first thing is we started on a difficult wicket, because there was no structured training spanning the whole spectrum.
第一件事是我们开始就面临很多困难，因为在整个过程中我们没有系统的培训。
Spanning two million years of human evolution, this book explores the impact of economics on human evolution and natural history.
本书以两百万年为时间跨度，探索了经济对人类进化的影响。
Steel bridge has been more widely used for the advantages of good ability of spanning capacity, construction.
钢桥具有跨越能力强、施工速度快等特点，近年来在我国的应用越来越广泛。
A crucial element that defines soap opera is the open-ended nature of the narrative, with stories spanning several episodes.
肥皂剧最主要的一个特征就是故事情节进展的开放性，一部剧通常有好多集。
To the right of that cluster, spanning the remaining width of the MCP, are the autopilot controls.
一串按钮的右边，占据余下的整个MCP的是自动驾驶仪控制面板。
Column spanning is often useful for positioning a control that is considerably wider than its peers .
对于定位比其他控件宽得多的控件，列跨距通常很有用。
The queue messages that do not contain SQL commands or are part of a spanning SQL command are not displayed.
不显示不包含SQL命令的队列消息，也不显示作为跨越式SQL命令的一部分的队列消息。
User specified nodes as a starting point, the output of each node traversal visit Spanning Tree sequence and the corresponding set of edges.
以用户指定的节点为起点，分别输出每种遍历下的节点访问序列和相应生成树的边集。-one。
A well known problem in optimization theory asks for a relatively easy way of finding a spanning subgraph with a special property.
最优化理论中的一个有名的问题要求：用比较容易的方法来寻求具有某种特殊性质的生成子图。
THE word "globalisation" usually conjures up images of globe-spanning companies and distance-destroying technologies.
说到“全球化”这个词，总不免让人联想到在全球开疆拓土的公司和打破地域限制的技术。
The upper trapezius spanning the back draws the shoulder blades toward the midline and down the back. It also aids in lifting the arms.
处于背部的上斜方肌将肩胛骨向中心线的方向同时向下拉。同时帮助手臂上提。
Each port on a switch that uses the Spanning-Tree Protocol has one of five states, as shown in Figure .
使用扩充树协定的交换器，每个埠有五种状态，如图所示。
You also observed that pureQuery can isolate errors spanning multiple lines and show error markers just like any other Java language error.
还看到了pureQuery可以识别跨多行的错误并显示与其他Java语言错误相似的错误标志。
Jia and Yao both were living spanning the middle and late Tang, thus deciding the time of their poem style was subject to that era.
贾、姚二人的生活既然跨中、晚唐两个时期，那么，其诗风形成时期便成为判定其所属时代的一个重要条件。
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