LS3
This robot dog was officially called LS3 for legged squad support system.
http://qindex.info/i.php?x=23649
  robots
...
http://qindex.info/i.php?x=9867#3987
 Orpheus
"As a token of your belief in me, Eurydice must walk behind you as you travel back to the upper world", Hades said, "and you must not look back at Eurydice until you have exited the under world."
http://qindex.info/i.php?x=9915
 token
"As a token of your belief in me, Eurydice must walk behind you as you travel back to the upper world", Hades said, "and you must not look back at Eurydice until you have exited the under world."
http://qindex.info/i.php?x=23647
 X-47B
The X-47B is the first drone plane to take off and land from a moving aircraft carrier successfully.
http://qindex.info/i.php?x=23637
  drones
...
http://qindex.info/i.php?x=9867#22551
 alphabet
#listening
http://qindex.info/i.php?x=22825
 Ta Prohm
→ colloquially
http://qindex.info/i.php?x=8454

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