aeolotropic

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

本文对各向异性材料的瞬态温度场、弹性热应从理论计算做 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%;

合金钢异性材等钢材、钢铁结构体等钢铁制品、剪刀等商品的增值税出口退税率提高9%;