Sai số do đo độ cao 12-Sai so do do cao Advertisements Chia sẻ:Share on Facebook (Opens in new window)Nhấn để chia sẻ trên Google+ (Opens in new window)Nhấn để chia sẻ trên Twitter (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Nhấn để chia sẻ trên Tumblr (Opens in new window)Click to print (Opens in new window)Click to email (Opens in new window)