adj.有两面的
This article deals with theoretical analysis of the bifacial lens right angled with strips through twice refraction. 双面正交条纹透镜的聚光倍数较高，光斑均匀，光线经它两次折射后能到达任意指定的方向。
The leaf has developmental paliasade tissue,2 layer,and belongs to the bifacial leaf. 叶的栅栏组织发达，二层细胞、二面叶。
The thing always is bifacial, I hope everybody sees the one side of thing sunshine. 事情总是有两面的，我希望大家看到事物阳光的一面。”
The symptoms appear as 2-sided (bifacial) lesions that usually occur between the veins and occasionally along the margins of the leaves. 症状表现为叶子两面的破坏
Several other locales in South Africa, for example, have yielded the sophisticated bifacial points but no evidence of symbolic behavior. 例如南非其他几个中石器时代遗址，学者找到了做工精美的双面打制尖器，却没有象徵行为的证据。
