假定各铺层是横观各向同性的，但其铺设方向可以是任意的。

Each ply is assumed to be transversely isotropic, but its ply angle may be arbitrary.

youdao

认为在宇宙尺度上，任何时刻，三维空间是均匀的和各向同性的。

That the scales in the universe, at any time, three-dimensional space is homogeneous and isotropic.

youdao

其色散关系与波矢方向有关，与各向同性的电介质的色散关系相似。

The dispersion is related to the wave vector and similar to the dispersion relation of the isotropic dielectric.

youdao