Typically, an individual source of data is mapped to an MQTT topic, which usually means that each source of sensor information will have its own topic.

通常，会将个人数据来源映射到MQTT主题，这意味着每个传感器的信息来源都有自己的主题。

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Any missions hoping to go farther will need a means of acceleration that can get the spacecraft to the edge of explored space faster—before it has depleted its radioactive power source.

故而，任何更深空的宇宙探索都需要寻找技术途径来加速航天器，以便在放射性能源耗尽之前到达星系边缘。

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Flash memory, which can come in several different technologies, is non-volatile memory, which means that its contents persist after its source of power is removed.

Flash内存(可以通过几种不同的技术实现)是一种非挥发性内存，这意味着断开电源之后其内容仍然保持下来。

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My thanks to both politicians for shedding some light on this disparity, although since none of us would choose to become victims of violence I still wonder whether all such compensation should be exempted from means testing, irrespective of its source.

BBC: Compensation disparity finally explained

Contrary to the claims of know-nothing critics like Bittman, such products are not only environmentally superior to conventional and (especially) organic offerings but would also offer the food industry a proven and practical means of tackling the fungal contamination at its source.

FORBES: Bittman of the 'New York Times': Always Out To Lunch

It's on ThinkSecret, which means, of course, that we can't verify the information or its source, but now the rumor on top of the pile for things we might see at Macworld in January is that the Mac mini will be given a second life as a Front Row 2.0-bearing digital media hub complete with DVR features.

ENGADGET: The new Mac mini -- with Front Row 2.0 and DVR?