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Digital multimeters know how to measure AC and DC voltages. But how well do you take advantage of the other features on your digital multimeter? Have you used these features? The "Min/Max/Average" fu...[Details]
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Hello AI, China's first documentary that presents artificial intelligence (AI) applications from a social and humanistic perspective, was screened at the National Museum today. The documentary was in...[Details]
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A 5G terminal consumption trend report released by China Mobile earlier this year pointed out that the survey found that hardware configuration, price and appearance were the top three key factors fo...[Details]
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This year marks the 175th anniversary of the establishment of the Freudenberg Group and the 30th anniversary of the establishment and production of Freudenberg factories in mainland China
...[Details]
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Recently, the well-known whistleblower Onleaks exposed the renderings of the realme Pad Mini tablet. According to foreign media GSMARENA, the realme Pad Mini uses an 8.7-inch screen, is equ...[Details]
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Position-dependency and position-independence are mainly reflected in whether the address of the program when it is running is the same as the address of the code segment specified during compilation...[Details]
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Input/output impedance of matrix switcher
Input
Impedance of a Matrix Switcher Impedance is the resistance of a circuit or device to AC current. Input impedance is the ...[Details]
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Abstract:Analyzed the demands of capacitor specific parameters in modernPST,emphatically discussed specific parameters demands of filter capacitor and absorber capacitor.Pointed to take care of vol...[Details]
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Three major issues that need to be solved in indoor LED lighting design
The first major challenge in designing indoor LED lighting systems is how to dissipate the heat from LED chi...[Details]
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Among IC card public telephone systems, online public telephones have gradually gained favor due to their high confidentiality and strong scalability. This kind of public telephone system is placed...[Details]
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On February 3, Toyota Motor Corporation (hereinafter referred to as "Toyota") and Panasonic Corporation (hereinafter referred to as "Panasonic") signed a business merger agreement and a joint venture...[Details]
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Recently, China's first chip R&D team focusing on automotive MCUs - Fengchi Gaoxin (Tianjin) Technology Co., Ltd. (hereinafter referred to as "Fengchi Gaoxin") was officially registered and establish...[Details]
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On the morning of February 5, there were rumors that Apple will launch a virtual reality headset (VR) early next year. Foreign media "The Information" reported some expected details of this dev...[Details]
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A servo motor is an engine that controls the operation of mechanical components in a servo system. It is an auxiliary motor indirect speed change device.
The servo motor can control the speed ...[Details]
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1. Set obj and src
ifneq ($(OBJTREE),$(SRCTREE))
ifeq ($(CURDIR),$(SRCTREE))
you :=
else
dir := $(subst $(SRCTREE)/,,$(CURDIR))
endif
obj := $(if $(di...[Details]
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