What does the letter "r" mean?
1, medicine
Medical r? Refers to people's breathing frequency. For example, the R ≈ 16 ~ 20 times/minute of normal people.
In medicine (physiology), the positive R refers to the right hand.
2. Computer
R of computer is an editing language for statistics. Please refer to the r language.
3. Architecture
R in buildings is a non-metric measurement unit of thermal resistance.
4. Calendar
The r of calendar is often used as the abbreviation of Thursday in English to distinguish it from Tuesday with the abbreviation of T.
5. chess
Chess R stands for Rook, which is equivalent to China's chess car.
6. Red
R of the primary color stands for additive color system, which is red in the three primary color systems of light (red, green and blue).
7. Transportation
When driving a vehicle, R is the reverse gear.
8. movies
The American film industry classifies films according to the Motion Picture Association of America. The R level is equivalent to the restricted level of China people, and it is not suitable for minors to watch.
9. Law
The legal R is the code name when the court quoted the king (Rex) or queen (Regina) of the country that recognized the British monarch as the head of state.
10, Telecom
The International Telecommunication Union (ITC) takes R as the initial code of Russia.
1 1, Japanese
When Japanese Kanji is converted into Roman Pinyin, R is selected instead of L to represent the consonant of the pen name "ら" (line 9).
12, Chinese
In Chinese, r refers to the Chinese character "day", which is very common on the Internet.
It means "sir": this abbreviation is popular in society now. Adding "R" after a man's surname means calling him, omitting the "M" of "MR". Similarly, women use "s"
registered trademark
Mark the trademark in the upper right corner? /? Adding R in the circle is the mark of "registered trademark", that is, "?" , refers to the trademark has been registered in the State Trademark Office and approved by the Trademark Office to become a registered trademark. R in the circle is the initial letter of English register registration.
This sign indicates that the trademark has been registered and protected by law. Without the permission or authorization of the registered trademark owner, no enterprise or individual may use it, otherwise it will bear tort liability, which is different from the meaning of "trademark".
Use "?" It is the meaning of trademark symbol (enterprises use "?" Usually it means that this text, figure or symbol is used as a trademark), that is, the text, figure or symbol marked with TM is a trademark, but it is not necessarily registered.
"TM" is the abbreviation of English trademark. It should be noted that words, words and symbols that have become registered trademarks cannot be used as registered trademarks in actual use, if the font version used is different from the font used in registration? Symbol).