本书对于读者的技术背景要求较深，但如果您能掌握书中的内容，相信会使您受益匪浅。
This book requires technical depth from its readers, but it will provide valuable dividends if you take the time to learn the wisdom it contains.
论述了家用燃气报警器的行业使用背景、行业政策、资质管理、技术原理、安装要求、工作方式、应用前景。
The industry use background, industry policy, qualification management, technical principle, installation requirements, working manner and application prospect of household gas alarm are described.
根据“地震及前兆数字观测技术规范”电磁部分的要求，在地磁台站建筑施工过程中，需用质子旋进磁力仪在现场对建筑物及周围磁场背景进行监测。
According to the require of the technique criterion, in the building process of geomagnetic station, it have to use rotation magnetometer to monitor the background of structure and site.
结果表明各台址背景噪声水平基本符合数字地震观测技术规范要求。
The result shows that the background noise levels of all stations satisfy basically the normative requirement of the digital remote earthquake observation technique.
本文概要介绍了配电自动化特别是馈线自动化技术的概念、功能要求和发展前景，以及本项目的开发背景；
This paper generally introduces the concept, function, developing future of Distribution Automation System, especially the Feeder Automation System, and the background of this project as well.
该职位并不要求事先具备计算机语音识别的技术知识，但有此方面背景知识者为佳。
The position does not require prior knowledge of computer speech recognition technology, though it would be an advantage to have that.
对该装置所采用的准直光学系统、数字可调光源进行了研究，并提出了背景光模拟的技术要求。
Based on the technical requirements of celestial navigation equipment, the overall construction of the star simulator is presented.
但是目前基于单目视觉的手势识别技术中，手势分割要求背景简单或者要求识别者戴着笨重的 数据手套 。
But currently, in the vision-based hand gesture recognition, almost all the technologies on hand gesture segmentation are based on simple background or on gloves in special colors.
第一章介绍了3G及视频编解码技术的相关背景知识，并阐述了3 G通信对视频编解码技术的要求。
Chapter 1 described the relevant background knowledge of 3g and video codec technology, and analyzed the 3g communication's requirements of video codec technology.
研发该技术的立法背景是，新能源汽车由于比内燃机汽车噪音小，因此法规要求新能源汽车必须要发出一定的声音来警告行人它们的存在。
Legislation will mean that alternative powertrain vehicles that make less noise than combustion engine vehicles will have to make a noise to warn pedestrians of their presence.
研发该技术的立法背景是，新能源汽车由于比内燃机汽车噪音小，因此法规要求新能源汽车必须要发出一定的声音来警告行人它们的存在。
Legislation will mean that alternative powertrain vehicles that make less noise than combustion engine vehicles will have to make a noise to warn pedestrians of their presence.
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