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A global shortage of semiconductors is casting a shadow over the plans of automakers and other companies. But for Silicon Valley executives like Aart de Geus, there is a silver lining. He is chairm...[Details]
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introduction
CMMB (China Mobile Multimedia Broadcasting) is China's first mobile broadcasting and television standard with independent intellectual property rights for mobile terminals. It is a...[Details]
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Driving fatigue refers to the driver's decreased reaction ability due to lack of sleep or long-term continuous driving. This decline is manifested in the driver's drowsiness, dozing off, driving er...[Details]
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Smart cars are improving every day. Zhijia.com releases a monthly report on car evolution at the beginning of each month, reviewing the OTA upgrade functions of various mainstream smart cars. In th...[Details]
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The bridge rectifier circuit is shown in Figure Z0705, where Figures (a), (b), and (c) are three different ways of drawing it.
It consists of a power transformer, four rectifier diodes D1~4, and a l...[Details]
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Everyone is familiar with multimeter, but few people can really use it thoroughly. Here I will explain to you how to use multimeter to detect capacitance. Don't underestimate this knowledge point, may...[Details]
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LED industry engineers have summarized the LED chip on board (COB) packaging process and now share it with everyone. First, the silicon wafer placement point is covered with thermally conductive epox...[Details]
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In college, you must master some basic knowledge (this is necessary, after all, you don’t know what job you will do after graduation). The basic knowledge mainly includes analog circuits and digital ...[Details]
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The eye vision system of an industrial robot usually consists of the following
01
Camera and Optics
This category usually contains one or more cameras and lenses (optical...[Details]
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As measurement speed, flexibility, and accuracy continue to improve, engineers must break away from the chassis and continue to look for innovative solutions for RF testing. New tools provided by soft...[Details]
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In terms of 5G technology, American companies have always been considered to lag behind Chinese companies and can no longer dominate the entire technical standards. Now the United States has a goal t...[Details]
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Despite including a mid-season refresh, the Galaxy A52 5G is now an old model, with its successor, the A53, not expected until early next year, but you don't have to wait that long to see what ...[Details]
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On June 14, 2016, the first Home Photovoltaic System Investment Promotion Conference (North China) was successfully held. As the co-organizer of the conference, Zhang Chunyang, Marketing Director o...[Details]
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BYD Co Ltd, the Chinese electric car maker backed by U.S. investor Warren Buffett, reported yesterday that its first-quarter net profit rose 632 percent on strong demand for its new energy vehicles, ...[Details]
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1 Testing of controls such as text boxes and buttons
1.1.1 Testing of text boxes
How to test text boxes
a. Enter normal letters or numbers.
b. Enter the name of an existing file.
...[Details]
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