Tribute to Academician Qian Lingxi, who is in memory of engineering mechanics
◎ Huiyu mechanics macro theory, arch and Dun plate shell diverse. The Yuen Energy...
Mojiang County, Pu'er City, Mulberry Silkworms and wealth "New Silk Road"
At present, it is the summer silkworm breeding period. In Baqian Village, Tutian Town, Mojianghanan Autonomous County, Pu'er City, the lush mulberry trees sway in the wind, and the small silkworm grow