打字猴:1.700041372e+09
1700041372
1700041373 Villa Las Estrellas,32
1700041374
1700041375 Virgin Galactic,114,135-138
1700041376
1700041377 viruses,93
1700041378
1700041379 vision loss,70
1700041380
1700041381 Vonnegut,Kurt,26
1700041382
1700041383 Vostok research station,34,179
1700041384
1700041385 Voyager 1,306,335,342
1700041386
1700041387 V-2 rocket,99
1700041388
1700041389 Walford,Roy,57-58
1700041390
1700041391 warp drive,341
1700041392
1700041393 Webb,James,6
1700041394
1700041395 weightlessness. See gravity
1700041396
1700041397 Weir,Andy,236
1700041398
1700041399 White,Ed,3
1700041400
1700041401 X3 propulsion engine,339
1700041402
1700041403 X-15 aircraft,134
1700041404
1700041405 X-33 aircraft,116
1700041406
1700041407 X-37 aircraft,116,134,137
1700041408
1700041409 X-43 aircraft,131
1700041410
1700041411 X-class flare,84
1700041412
1700041413 xenon,339
1700041414
1700041415 XPRIZE,154
1700041416
1700041417 X-rays,78-83
1700041418
1700041419 Yuegong-1(Lunar Palace 1),155,197
1700041420
1700041421 Yutu rover,154
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