Questions on 'space technology' category
0
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1
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51
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1
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50
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0
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1
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49
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0
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1
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50
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0
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1
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57
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0
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1
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136
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0
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1
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143
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0
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1
answer
147
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0
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1
answer
173
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0
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1
answer
487
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0
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1
answer
462
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0
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1
answer
494
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0
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1
answer
414
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0
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1
answer
463
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0
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1
answer
420
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0
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1
answer
421
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0
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1
answer
441
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0
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1
answer
435
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0
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1
answer
416
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0
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1
answer
425
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0
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1
answer
465
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0
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1
answer
438
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0
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1
answer
468
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0
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1
answer
400
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0
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1
answer
432
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0
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1
answer
401
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0
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1
answer
430
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0
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1
answer
429
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0
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1
answer
452
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0
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1
answer
408
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0
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1
answer
467
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0
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1
answer
439
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0
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1
answer
431
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0
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1
answer
406
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0
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1
answer
322
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