1) deutomonomyaria
二次单柱期
2) prop twice
二次支柱
3) quadratic cylinder
二次柱面
1.
Using the coefficient determinant and translation transformations,we discuss the positional relationship between a quadratic cylinder and a plane,which is involved the invariant of the quadratic surface and the invariants of the section of the quadratic surface,starting with discussing the positional relationship between a conic and a line.
利用系数行列式和平移变换,从二次曲线与直线的位置关系入手,借助二次曲面的不变量和二次曲面的截口不变量,由二次柱面的系数与平面的系数组成的行列式判定二次柱面与平面的关系。
4) the method of the second strut
二次支柱法
1.
We have acquired with our engineering very effectively on the research of integral optimization of formwork of strut system by using the method of the second strut that the top of pillars can be taken apart beforehand multifunctionally.
对模板支撑体系的整体优化进行研究,通过采用多功能早拆柱头的二次支柱法,取得良好的工程效果。
5) secondary order form
二次订单
6) secondary-unit
二次单元
补充资料：二丙二醇基单甲基单烯丙基醚
CAS：79313-21-6
中文名称：二丙二醇基单甲基单烯丙基醚
英文名称：Dipropylene glycol monomethyl monoallyl ether
中文名称：二丙二醇基单甲基单烯丙基醚
英文名称：Dipropylene glycol monomethyl monoallyl ether
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条