launch window #2
打ち上げ期間が結局、延長になったようです。この意味でのwindowについては先生が取り上げておられます。（Minnesota）
http://d.hatena.ne.jp/A30/20121205/1354670408
N Korea Extends Rocket Launch Window To Dec 29
PYONGYANG (Kyodo)--North Korea on Monday announced that the window for a planned launch of a long-range rocket carrying a satellite has been extended a week to Dec. 29 due to a "technical deficiency," according to the official Korean Central News Agency.
