orthoadj.正色(性)的pref.正确；直；正；原Orthonal安眠酮, 眠可欣, 海米那, 甲苯喹唑酮, 眠邻定, 麦西定, 哈眠那[镇静催眠药]

1. Corrugated board is a kind of sandwich structural materials and it can be studied as an orthotropic sandwich plate.
   摘要瓦楞纸板是夹层结构材料中的一种，可以将其作为正交各向异性的夹层板来进行研究。
2. We will consider first the case of two-dimensional incompressible steady flow through orthotropic soil.
   我们首先考虑二维不可压缩流体通过正交各向异性土层的定常流动。