1) non-parallel twins
非平行孪生面
3) Plane nonparallel film
平面非平行薄膜
4) unparallel-ruled surface
非平行直纹面
5) nonparallel light pass surfaces
非平行通光面
6) Twin
[英][twɪn] [美][twɪn]
孪生
1.
It shows that, at the low impact velocity (250 m/s), twin deformation is primary and slipping defor.
结果表明:在低速冲击下,HR2钢的变形是以孪生为主、滑移为辅的塑性变形,并未发生断裂;在高速冲击下,其变形是孪生和滑移的组合变形,断裂则是由沿晶界产生微孔洞、微裂纹并汇合形成大裂纹和少量穿晶断裂相混合引起的。
2.
A theorem of twin power series and a group of twin identities are obtained.
设P,q为正整数,Lucas序列Un+2=PUn+1+q Un,U1=1,U2=p;Vn+2=PVn+1+q Vn,V0=2,V1=p,本文得到系数为Lucas数孪生幂级数定理与几组孪生恒等式。
3.
This paper brought forward a pair of twin power series,that is,Fibonacci s power series ∑∞n=0f ~k_nx~nand Lucas s power series ∑∞n=0f ~k_nx~n,where fn is Fibonacci s number,ln is Lucas s number,k is positive integer.
笔者提出一对孪生幂级数,即Fibonacci幂级数∑∞n=0fnkxn与Lucas幂级数∑∞n=0lnkxn,这里fn为Fibonacci数,ln为Lucas数,k为正整数。
补充资料：孪生
见范性形变。
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