例句與造句

1. seventeen plain groups, which were associated with 2d braided geometry of composites, were deduced from the combination of ten plain point groups and five plain dot lattices
   摘要由10個平面點群與5個平面點陣組合，推導出與二維編織復合材料幾何結構有密切關系的17個平面群。
2. It's difficult to find plain points in a sentence. 用plain points造句挺難的