轻于粉蝶瘦于蜂—漫话蜻蜓的流体力学奥秘
AS LIGHT AS A BUTTERFLY, AS THIN AS A BEE-THE MYSTERY OF DRAGONFLIES BASED ON FLUID MECHANICS 1)
轻于粉蝶瘦于蜂—漫话蜻蜓的流体力学奥秘 |
| 姜楠, 杨绍琼 |
|
AS LIGHT AS A BUTTERFLY, AS THIN AS A BEE-THE MYSTERY OF DRAGONFLIES BASED ON FLUID MECHANICS 1) |
| JIANG Nan, YANG Shaoqiong |
| 图3 张大千《荷花图》(引自网络) |
|
|