seal: n.〔sing., pl.〕【动物；动物学】1.海豹。2.海豹毛皮(制品)。3.海豹皮色〔灰黄深褐色〕。4.〔Seals〕〔美国〕海豹突击队〔美国的一支海陆空军突击队〕 the common [harbor] seal (斑纹)海豹。短语和例子the fur seal 腽肭兽，海狗。vi.猎海豹。n.1.(打在火漆，铅等上的)火漆封印；封蜡；封铅；封条。2.捺印；封缄。3.
Abstract : 7 laser carving seals and 5 mold pressing seals from " the same printing plate " were manufactured for this study 文摘:制作了13枚“同版”渗透型印章和激光雕刻印章，分析了这些“同版”印章的印面特征和盖印印文特征。
