The TM here represents the trademark number. The details are as follows:

1. Trademark symbol

In China, the TM on the trademark also has its own special meaning. In fact, the TM mark does not protect the trademark. It is different from R. TM It means that the trademark has been applied to the National Trademark Office, and the National Trademark Office has also issued a "Notice of Acceptance" and entered the opposition period. This can prevent others from filing repeated applications, and it also means that the existing trademark holds People have priority to use. The circle R indicates "registered trademark", which means that the trademark has been applied for registration at the National Trademark Office and has been reviewed and approved by the Trademark Office to become a registered trademark. The R in the circle is the first letter of English register. A registered trademark has the characteristics of exclusivity, exclusivity, and uniqueness. It is owned exclusively by the owner of the registered trademark and is protected by law. No enterprise or individual may use it without the permission or authorization of the owner of the registered trademark, otherwise it will bear infringement liability. TM means the trademark symbol, that is, the words, graphics or symbols marked with TM are trademarks, but they are not necessarily registered (unregistered ones are not protected by law). TM is the abbreviation of English trademark.

2. Internet language

In today’s Internet language, tm has another meaning. That's short for "fuck". Since it is an indecent term, please do not use it indiscriminately.

3. Animation terms

There is another explanation that applies to animation works. TM generally refers to animation (mostly the theatrical version) theme song.

TM is also the abbreviation of Type-Moon.

4. (Item) Professional scientific term

TM is the abbreviation of Thematic Mapper, which means "thematic mapper" and is an imager carried by the US Land Satellite. There is also ETM, which is the abbreviation of Enhanced Thematic Mapper, which means "enhanced thematic mapper".