He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.
他发现，声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。
The orderly nature of our solar system leads most astronomers to conclude that the planets formed at essentially the same time and from the same material as the Sun.
我们太阳系的有序特性使大多数天文学家得出结论，这些行星基本上在同一时间形成，且物质来源和太阳的一样。
That gives them more time to absorb lectures via podcast or video, and frees teachers to spend class time coaching students in how to apply the material rather than simply absorb it.
这样他们就有更多的时间通过播客或视频来吸收课程内容，老师也可以腾出时间来指导学生如何应用所学内容，而不是仅简单地吸收。
In addition, women often worked in their homes part-time, making finished articles from raw material supplied by merchant capitalists.
此外，妇女经常在家里做兼职，用商业资本家提供的原材料制作成品。
This could take some time, and the amount of time it takes to catalogue your material goods might prove once and for all that you have way too much stuff.
列清单那可能需要花费不少的时间，但列清单消耗时间的长短将非常有力地证明你到底有多少多余的材料在填塞着你的空间。
B: Those that vary from time to time, like the consumables, material costs, etc.
B：那些随时间改变的成本，比如易耗品及材料成本等等。
The simple answer is that we'd all produce less, which would mean more time to relax and fewer material goods to enjoy.
简单的答案是：我们的产出会减少，这意味着我们会有更多的时间放松，但享受的物质产品会减少。
It may be that the brain, when it revisits material at a later time, has to relearn some of what it has absorbed before adding new stuff - and that that process is itself self-reinforcing.
也许是因为大脑在再次复习资料的时候，必须要重新学习一些它已经吸收的东西才能添加新的内容——这个过程是大脑的自我强化记忆。
Most material you learn in college is or has been debated by someone, somewhere, at some time.
在大学里学习的多数材料，是其他人在别的地点、别的时间讨论过或正在讨论的。
If, however, either the product or the test material changes significantly over time, the instrumentation exercise will need to be repeated.
然而，如果产品或测试材料随着时间的推移变化很大，那么就需要重复实施装置。
Though most of this material is not very complex, it can take some time to fully understand the way XML is used in various applications and the benefits it offers.
虽然这份材料的大部分并不十分复杂，但完全理解XML在各种应用程序中的用法和它所提供的优点还是要花一些时间。
All decisions the software makes correlates the due date with material utilization and shop capacity, and all of it happens in real time.
软件的所有这些决定都和交货期、材料利用率以及车间产能相关，而且所有这些决定都是实时快速完成的。
The audience can remember only so much. Covering too much material in too little time doesn't benefit the audience.
在有限的时间里，听众只能记住一点点，太多材料对听众反倒没啥意义。
Because regression test material does not change significantly over time, this data remains relatively static.
因为回归测试材料随着时间的推移变化得不大，那么此数据仍旧相对静态。
Products are thus built up by progressively adding material, one layer at a time: hence the technology’s other name, additive manufacturing.
产品就是这样通过一层一层地叠加材料制造出来。这种技术于是被人称为“叠加式制造”。
Comet stars have much more material and burn for a longer duration of time, creating broad strokes.
彗形星体拥有更多物质，可燃烧更长时间，进而产生更粗的线条。
You probably need or want to read a lot of offline and online material as well. But you only have so much time to do it.
你可能需要或想要离线和在线阅读很多资料，但你没那么多的时间。
Products are thus built up by progressively adding material, one layer at a time: hence the technology's other name, additive manufacturing.
添加材料一次一层、步步为营直至成形，因此该技术又有了另一个名称：加法制造。
Today's earthlings are material manifestations of eternal spirits who are reincarnated time and again over the eons.
今天的地球人都是不朽精神的物质体现，这种不朽精神跨越万古，一次又一次地转世化身。
I have blogged over time about various guidance material that we have released out of our Patterns and Practices team for customers.
在过去的一段时间里，我在博客上发表了我们“模式和实践”团队向客户们发布的各种向导材料。这正是我们的客户向我们询问的东西。
Usage charging means billing a client or department based on system resource, system administrator time, or raw material (for example, printer paper) usage.
使用收费表示根据客户或部门对系统资源、系统管理员时间、或者原始材料(例如，打印纸)的使用情况进行收费。
Material possessions drain a countless amount of our time (purchasing, cleaning, maintaining, organizing, and rearranging).
物质财富消耗了我们无数的时间(采购，清洁，维护，组织和重新安排)。
Try to schedule actions before noon to allow reporters enough time to process material for the five o 'clock news.
试着在中午之前就安排好活动时间表好让记者有充足的时间去组织今晚5点钟的新闻材料。
Try to schedule actions before noon to allow reporters enough time to process material for the five o’clock news.
试着在中午之前就安排好活动时间表好让记者有充足的时间去组织今晚5点钟的新闻材料。
N the 20th century, mankind has created material and spiritual wealth unmatched by any other time in history.
20世纪，人类创造的物质和精神财富，超过了以往任何一个时代。
For example, tools provided through SaaS could equip decision makers with knowledge on what metric goals should be achieved for material handling time, cycle time, and changeover time.
比如，通过SaaS提供的工具可以为决策者提供原料处理时间、生产周期时间和设备更换时间的理想指标。
The remarkable ability of an electron to exist in two places at once has been controlled in the most common electronic material - silicon - for the first time.
一个电子在同一时间可以处于两个位置，这种重要的能力首次在最常见的电子材料——硅——上面得以人工调控。
Chances are that through no fault of your own, you weren't able to put nearly that same kind of time or effort into your material, and of course, it's all new to your audience.
尽管这不是你的错，但你要在自己的作品上投入那样的时间和精力几乎是不可能的，更不消说它们对你的听众来说是完全陌生的。
As well as aiming to read well written magazines, essays, and online material, read as many books as you have time and inclination for.
除了有目的地读一些写得好的杂志、散文和网上文章之外，你还要尽可能多地读名著，只要你有时间且有意愿。
As well as aiming to read well written magazines, essays, and online material, read as many books as you have time and inclination for.
除了有目的地读一些写得好的杂志、散文和网上文章之外，你还要尽可能多地读名著，只要你有时间且有意愿。
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