aeolotropic

Some work about transient temperature, thermo-elastic stress of aeolotropic material has been done in this thesis.

各向异性材料的瞬态温度场、弹性热应力问题从理论计算做 了一定的工作。

alloy steel aeolotropic timber structure of steel, iron and steel and iron products, such as a pair of scissors, sales tax rebate to 9%;

合金异性材材、铁结构铁制品、剪刀商品的增值税出口退税率提高9%;