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The OPPO Reno5 series is about to be released, and the phone has obtained network access permission from the Ministry of Industry and Information Technology. Unlike the OPPO Reno4 series, this time...[Details]
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When photography was first invented, it was a skill with a "high threshold". The complicated shooting operation and high equipment cost meant that photography art was destined to be a benefit enjoyed...[Details]
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1. Composition of immediate number instruction code ARM divides the 32bit instruction code into the following two parts: The 32-bit immediate data is obtained by circularly shifting the Imm8 value ...[Details]
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News on October 13, according to the latest report released by DigiTimes, Samsung is actively promoting the 2nm process, hoping to challenge TSMC in the frontier field. Kye Hyun Kyung, head of Samsun...[Details]
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The DC small motor can be tested by a multimeter. The specific steps are as follows:
1. Measure the resistance value
Turn the multimeter knob to the resistance position, select the approp...[Details]
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Abstract: This article introduces in detail a novel digital control method for PWM inverter power supply - adaptive repetitive control. The application of this method makes the system adaptive an...[Details]
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On the afternoon of August 2, in the Integrated Energy Service Command Center of State Grid Jiangsu Nanjing Power Supply Company, a large screen displayed the on-site images of the customer's power...[Details]
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According to South Korean media Business Korea, Changxin Memory Technologies Co., Ltd. has started selling DRAM chips, becoming China's first DRAM chip supplier. Chinese companies are gradually i...[Details]
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At present, the remote monitoring system of observatories used in large optoelectronic telescope systems abroad has been relatively complete, but it has not been well applied in China. This project...[Details]
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After Biden took office, the US government's policy on new energy electric vehicles changed suddenly compared to the Trump era. The Biden administration's goal is to electrify 25% of the U.S. auto ...[Details]
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On December 5, Taiwan's Economic Daily and United Daily News simultaneously reported that Foxconn Group's first wafer-level packaging and testing plant, which was officially put into production in Qi...[Details]
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introduction
Due to various reasons, there are current harmonics in the power grid. Due to the existence of power grid impedance, the harmonic current flows through the power grid impe...[Details]
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1. Analysis of IRQ interrupt in startup code. Example: timer4 interrupt call process 1. When timer4 is interrupted, the value of the INTOFFSET register becomes the value corresponding to the in...[Details]
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1 Introduction
In the past 100 years, lighting technology has gone through three important development stages: incandescent lamps, fluorescent lamps and HID lamps. Due to its many adv...[Details]
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On October 15, the Sichuan Provincial Department of Economy and Information Technology issued an announcement, publicizing the list of 25 new industrial tracks to be recognized in Sichuan Province ...[Details]