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1·They are rules about patents, helping the Implementation of patens.

是关于专利法的实施规则，有助于专利法的实施。

2·I ask the BBC sports news correspondent, Adam Patens to describe the global reaction.

我们让英国广播公司体育新闻记者亚当·派兴斯来描述一下世界各地的反应。

3·The epidermis of culm of S. alterniflora, S. patens and S. cynosuroides is all made up of long cells, short cells (cork cells and silica cells), salt glands and stomatal apertures.

互花米草、狐米草和大绳草的表皮均由长细胞、短细胞（栓质细胞和硅质细胞）、盐腺和气孔器组成。