What does tm mean?

The meanings of tm include: TM is the abbreviation of English trademark; TM can also refer to thulium; TM is also an extremely rare unit of length-too meter; Trend Micro, a global leader in network security and services.

Tm is a common abbreviation, which can represent many meanings, so we can understand it according to the occasion without knowing the specific meaning. Let's talk about what tm means.

TM is the abbreviation of English trademark, including both registered trademark R and unregistered trademark that has not been directly approved by China Trademark Office. TM on the trademark has its special meaning. The TM logo does not protect trademarks, which is different from R.

TM generally refers to thulium, which is a silvery white metal, malleable and soft enough to be cut with a knife. The melting point is 1545℃, the boiling point is 1947℃, and the density is 9.3208. Technetium is relatively stable in air; Thulium oxide is a light green crystal. Technetium has an atomic number of 69 and an atomic weight of 1438+0. The element name comes from the country name of the discoverer. 1879, Swedish scientist Clive separated thulium and holmium from erbium soil. The content of thulium in the earth's crust is two parts per hundred thousand, which is the least among rare earth elements. It mainly exists in xenotime and Heixi gold deposits, and its natural stable isotope is thulium 169. Widely used in high-intensity power generation light sources, lasers, high-temperature superconductors and other fields.

Tammy. The length of this order of magnitude is usually expressed in scientific counting or other units such as astronomical units. TM is an extremely rare unit of length. 1Tm equals 10 12m equals 6.7 astronomical units.

TM, the global leader in network security software and services, led the trend from desktop antivirus to network server and gateway antivirus with outstanding foresight and technological innovation several years ago, and now it has once again proved Trend Micro's foresight and leading position to the industry with its unique service concept. Headquartered in Tokyo, Japan and Silicon Valley, USA, it has branches in 38 countries and regions and 7 global R&D centers with more than 4,000 employees. Is a high-growth multinational information security software company. Trend Micro was listed on the Tokyo Stock Exchange in Japan and Nasdaq in the United States respectively, and was selected as a component of the Nikkei Index and the Dow Jones Sustainability Index in June 5438+ 10 and September 2004 respectively.