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A kind of qualified statistical of student's physical stamina test
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Sports equipment burglary-resisting system based on Lora
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A kind of system for examining classroom discipline
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Teachers' instruction wire examination method based on big data
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A kind of student's credit system statistical method
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Realize the teaching method of long-distance education
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Hygienic cleaning step for laboratory
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A kind of desk with guard rail
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A kind of Multifunctional floor support
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The teaching equipment of drying machine
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Bulb base of high-power bulb
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A highly-efficient heat dissipation projector
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A projector
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A projector with a heat dissipation bulb socket
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A projector for multimedia teaching
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An air-cooled and water-cooled projector
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