| item | description | category | filter | more on... |
| XYR | The three sides of a right triangle: horizontal, vertical, radius (diagonal) | Edu./Mathematics |
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| XYR | X- Y Recorder | Edu./Ocean Science |
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| XYR | X- Y Recorder | Governmental/Military |
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| XYR | X- Y Recorder | Governmental/NASA |
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| XYR | X- Y Recorder | Other/Transportation |
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| XYR | X- Y Recorder | Edu./Electronics |
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| XYR | Yellow River, Papua New Guinea | Regional/Airport Codes |
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