Questions on 'space technology' category
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424
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156
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140
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431
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0
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374
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0
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0
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164
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0
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0
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377
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0
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153
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0
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244
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0
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239
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0
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0
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297
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0
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0
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283
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0
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0
answer
462
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0
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0
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496
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0
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0
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484
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0
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0
answer
480
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0
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0
answer
563
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0
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0
answer
484
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0
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0
answer
477
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0
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0
answer
500
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0
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0
answer
469
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0
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0
answer
426
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0
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0
answer
441
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0
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0
answer
344
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0
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0
answer
1056
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0
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0
answer
1119
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0
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0
answer
1120
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0
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0
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1195
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0
answer
1089
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1290
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0
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1050
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0
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1081
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0
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0
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1081
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0
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1026
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0
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0
answer
1104
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