资讯

Tech Xplore on MSN6 个月
Dragonfly wing pattern reinforces vaults and domes better than ancient Roman and tech ...
"We carefully examined the structure of the dragonfly wing, which does not actually follow the Voronoi pattern exactly, and ...
jdpower1 年
1996 Dragonfly Sailboats Inc 800 SWING WING Specs
Insure your 1996 Dragonfly Sailboats Inc 800 SWING WING for just $100/year*. More freedom: You’re covered on all lakes, rivers and oceans within 75 miles of the coast. Savings: We offer low rates and ...
jdpower1 年
1994 Dragonfly Sailboats Inc 1000 SWING WING/CU Specs
Insure your 1994 Dragonfly Sailboats Inc 1000 SWING WING/CU for just $100/year*. More freedom: You’re covered on all lakes, rivers and oceans within 75 miles of the coast. Savings: We offer low rates ...