天体物理学中心，以及MIT都有，钱德拉科学中心，所有广播都来自那里，就在街对面几个街区之外。
The Center for Astrophysics and MIT are running the Chandra Science Center, from which all radio commands are given, which is here just across the street, a few blocks away.
每当物理学家们揭开大自然的一些新规律，这些知识就可用于制造各种装置，它们实现的功能让人叹为观止——例如，飞机可自由行走于天地间，广播可让千万人足不出户，遍知天下事。
When physicists puzzle out the workings of some new part of nature, that knowledge can be used to build devices that do amazing things — airplanes that fly, radios that reach millions of listeners.
行波管（TWT）广泛应用于雷达、通讯、广播、电子战、高功率微波武器研究、高能物理、电子对抗等各种电子设备中，是一种非常重要的微波器件。
The traveling wave tube (TWT) is an important high-power microwave resource, which has been applied in many fields such as radar, broadcasting, high-power microwave weapon and so on.
没错。广播节目的主持指出这点，又问那两位天体物理学家他们曾否谈及关。
PROF. : Yes. The interviewer pointed that out and asked the two astrophysicists whether.
虚拟网(VLAN)在逻辑上等价于广播域。用户可以处在不同的物理LAN上，但他们之间可以像在同一个LAN上那样自收通信而不受物理位置的限制。
Logically, VLAN equals broadcasting LAN. Even in different LAN, users can communicate freely just like in the same LAN, not restricted by the physical location.
无线链路的不可靠性和物理层广播特性非常适合采用编码，为网络编码的应用提供了一个良好的平台。
The unreliability of wireless links and the broadcast property of physical layer provide a good platform for the application of network coding in wireless networks.
多路广播路由器会发送“组成员查询”消息，以了解哪些组在每个所连接到的物理网络上都有成员。
Multicast routers send group Membership Query messages to learn which groups have members on each of their attached physical networks.
多路广播路由器会发送“组成员查询”消息，以了解哪些组在每个所连接到的物理网络上都有成员。
Multicast routers send group Membership Query messages to learn which groups have members on each of their attached physical networks.
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