声波传递需要介质，空气，水，岩石都行。
They need something to move through, like air, water, or rock.
辐射是一种既不需要介质也不需要与辐射体接触而进行的能量传输形式。
Radiation is a form of energy transfer that does not require a supporting medium nor contract with radiating body.
该化合物制备方法简单环保，反应时间短，反应温度温和，反应不需要介质。
The method for preparing the compound is simple and environment-friendly, has short reaction time and mild reaction temperature without medium in the reaction.
如果根磁盘从原始介质或NIM安装获得映像，那么在服务器启动时将需要设置和配置所有设备(NIM使用的网络适配器除外)。
If the root disks are imaged from original media or a NIM installation, you will need to set up and configure all the devices when the server boots up (except for the network adapter that NIM USES).
这可能是创建系统备份的一种灵活方法，而且不需要物理介质。
This can be a flexible way to make system backups without the need for physical media.
如果需要根据适配器连接的链路伙伴或网络检查设置，介质速度是有用的，因为速度或双工不匹配会造成问题。
The media speed is useful if you need to verify the setting based on the link partner and network that the adapter is connected to, as a speed or duplex mismatch can cause problems.
细节各不相同，具体根据软件和备份介质而定，因此您需要参考备份软件文档获取详细信息。
Operational details vary depending on the software and the backup medium, so you should consult the backup software's documentation for details.
DB2安装二进制安装文件会自动存储到IIH 中，所以当您添加新成员时它们不需要访问原始的安装介质。
The DB2 installation binaries are automatically stored on the IIH, so they don't require access to the original installation media when you are adding members.
从存储介质回放的MPEG - 4内容不需要任何特殊准备。
MPEG-4 content played back from storage media doesn't require any special preparation.
如果需要在LPAR上装载某个文件集或者从aix产品介质引导，我知道在哪里可以很快地找到需要的东西，它们都在手边。
If I need to load a fileset onto an LPAR or boot off the AIX product media, I know where to find what I need quickly, and do it all from the comfort of my desk.
下一个屏幕说明了安装需要的介质集，这取决于所选择的包，如图25所示。
The next screen describes the set of media required for the installation, depending upon the packages selected, as shown in Figure 25.
根本不需要使用物理介质。
不需要管理员权限就能从任何介质运行应用
Run applications from any media without needing admin privileges
同样，在最后阶段，你或许需要一个非常小的能够覆盖介质安装的完整回归套件，但并不是深层次的或者端到端的测试。
Likewise, in the end-game, you may want a very small sanity regression suite that covers media install, but not in-depth or end-to-end tests.
如果需要的话，可以对CD介质进行测试，或者通过点击Skip按钮跳过这个步骤，如图2所示。
Test the CD media, if you want, or just to skip this step by clicking skip, as shown in Figure 2.
如果功能性的测试工具没有安装，那么在您安装Firefox 2.0之后，您还需要使用安装介质的硬盘1中的launchpad .sh脚本，来安装RationalFunctionalTester。
If the functional testing tool is not installed, after you install Firefox 2.0, install Rational functional Tester by running the launchpad.sh script on disk 1 of the installation media.
如果需要，输入configureports 1 -4preferred - mediumcopper——在端口1 - 4上将默认的首选介质光纤改为铜缆。
Enter configure ports 1-4 preferred-medium copper — Changes default preferred medium from fiber to copper on ports 1-4, if required.
需要回忆“介质”以及释义的小组成员中，先前在测试较多小组中学习的成员平均分为51分，而那些曾在不测试小组中学习过的成员平均仅为34分。
Those who had to recall both their mediator and the translation got scores averaging 51 percent if they'd been in the pretesting group and just 34 percent if they'd only studied.
因此，您需要依靠其他存储介质来备份您的数据，比如，一个外部硬盘。
Thus, you may need to resort to some other medium, such as an external hard disk, to back up your user data.
我需要一个可以记录值得注意的事情的介质。同时，它也将成为我日常思考，做出决定和采取行动的指南。
This would be the only place where I document everything noteworthy and it would serve as the guide for my everyday thinking, decisions, actions to be the best I can be.
例如，不同地点可能使用在不一样的速度下运行的不同的介质，甚至包括需要进行通讯的不同类型的系统。
Different sites, for example, may use different types of media operating at varying speeds, or may even include different types of systems that need to communicate.
根据需要和输送介质，可采用机械密封和填料密封两种，且这两种结构具有互换性。
According to needs and delivery medium, can be used two kinds of mechanical seals and packing seal, and the structure of these two kinds of interchangeability.
本领域内需要一种改进的用于管理可更换的存储介质（例如盒式带）的到期和活动加密密钥的技术。
There is a need in the art for improved techniques for managing expired and active encryption keys for removable storage media, such as tape cartridges.
由于电极的面积变成了接触介质的面积，所以需要特别注意。
Care must be taken because the electrode area becomes the area of the contact medium.
它可以使用任何介质工作——从轻纸质泡沫到亚克力和铝型材复合物，并且它可以满足任何标识和展板店铺需要实现的功能。
It will work on just about any material-from light papers and foams to acrylics and aluminum composite materials-and will perform most functions that any sign and display shop would ever need.
如果某个阀门需要维修，则降低阀门所有端口的压力并排干系统内的流体介质。
Should a valve need repair, depressurize and drain the system on all sides of the valve.
尤其在输送高粘度介质时，需要作比较精确的计算。
Particularly in the transport of high viscosity medium, you need to make more precise calculations.
在各种环境，自由使用，不需要鼠标垫：很强的介质适应能力。
In each kind of environment, the free use, does not need the mouse pad: Very strong medium adaptiveness.
这些与人类生活密切相关的环境问题迫切需要我们对裂隙介质中地下水及污染物运移的机制进行研究。
The questions about environment, tying up to peoples life, need to make research urgently on the transport mechanism of water and solute in fractured medium.
这些与人类生活密切相关的环境问题迫切需要我们对裂隙介质中地下水及污染物运移的机制进行研究。
The questions about environment, tying up to peoples life, need to make research urgently on the transport mechanism of water and solute in fractured medium.
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