Different technologies are available to directly mark objects: laser / chemical etching, dot peening and ink jet printing.

不同的技术可帮助实现此直接印刻的工艺，如激光/化学雕刻、点式打标和喷码打印技术。

youdao

"We'd just go out and mark trees with a dot and everybody would agree where you'd tee off from and you'd have fun."

VOA: standard.2010.08.03

"Having a failed business in the US is like a rite of passage, " said Mark Simon, founder of dot.com networking company The Chemistry.

BBC: Only failures need apply

He noticed that the fish had a dime-sized black dot just under its gills, like a beauty mark.

FORBES: In Search Of Sowbelly

At the peak of the dot-com bubble in 1999, Wagner and partner, Mark Cuban, sold their fledging company, Broadcast.com, to Yahoo!

FORBES: Magazine Article