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【Summary】 【Reason for writing】 【Question Structure】 【Analysis 1】Overall Process get_free_pages and mmap 【Analysis 3】CPU and TLB CPU and L1 cache CPU and L2cache 【Summarize】 Note:...[Details]
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On September 26, 2015, at the United Nations Development Summit, China proposed to explore the construction of a global energy internet to promote the use of clean and green methods to meet global ...[Details]
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TI's BUF802 Buffered Op Amp, Now Available at Mouser, Simplifies DAQ Front Ends for Measurement Work
September 22, 2022 –
Mouser Electronics, the industry’s leading N...[Details]
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Primary optical design of LED light source
Each LED light source has a specific light intensity distribution characteristic, that is, the light distribution curve. We call this process primary op...[Details]
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Abstract: In order to prevent fishing boats near the sluice from being washed away by the upstream water when the sluice is opened to release water, a sluice voice alarm system is designed. The sys...[Details]
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The reporter learned from the State Grid today (4th) that as of now, all 9 ultra-high voltage transmission channels under construction have resumed work and are being accelerated. The annual invest...[Details]
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As of the close of June 11, the Shanghai Composite Index fell 0.78% to 2,920.90 points, with a turnover of 289.023 billion yuan (the turnover on the previous trading day was 243.968 billion yuan); th...[Details]
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Recently, a PhD student announced the development of a smart sock that can be used to detect potential stress levels in people with dementia and autism. What challenges does current wearable technolo...[Details]
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The basic research of underwater acoustic channel matching is an emerging research field based on hydroacoustics, ocean physical acoustics and modern signal processing technology. The local sea area u...[Details]
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Jitter measurement has always been called the highest realm of oscilloscope test measurement. The most intuitive traditional jitter measurement method is to use afterglow to view the changes in the...[Details]
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It is said that multiple derivative versions of the realme 9 series are being developed, including realme 9 Pro / 9 Pro + / Pro Max, and a realme 9i. Now, @ThePixel.vn has revealed key details abou...[Details]
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1 Introduction
There are five abnormal conditions of existing electronic ballasts, namely: the lamp is not connected; one of the cathodes of the lamp is damaged so that the l...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Introduction
With the development of microelectronics and computer technology, the original electrical equipment, which was mainly based on strong electricity and electrical appliances and h...[Details]
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In the face of new changes in the energy supply and demand structure and new trends in international energy development, how can energy storage play a key supporting role in accelerating the construct...[Details]