13 deform root groove teeth were observed with macroscopy and microscopiy.

13个有根面沟的上颌侧切牙,在放大镜、显微镜下观察结构。

Even with a magnifying glass I couldn't discern any imperfections in the porcelain.

即有一个放大镜，我也不能发现瓷器上的任何瑕点。

Fame is a magnifying-glass.

名誉是放大镜。

Flashing microtext that, when viewed with the unaided eye, appears to be part of the line design, bet under magnification is seen as a repeated pattern of words, codes or numbers.

通过用微缩文字，来增加防伪特征。闪烁的微缩文字，在没有用放大镜的情况下，的只是一条线，而在用放大镜观时，可以续重复的文字、编码及数字等。