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Ps of mathematics
1, Chinese name: hours

China symbol: time &; h;

Exotic symbol: h;

2. Chinese name: Minute

China symbol: minute &; min

Exotic symbol: min

3. Chinese name: seconds

Chinese symbol: second &; s;

Exotic symbol: s;

Chinese name: millisecond

Chinese symbol: millisecond &; lady

Exotic symbol: ms;

5. Chinese name: microsecond

Chinese symbol: microsecond &; μs;

Exotic symbol: μ s;

6. Chinese name: nanosecond

Chinese symbol: nanosecond &; ns;

Exotic symbol: ns;

7. Chinese name: picosecond

Chinese symbol: picosecond &; PS;

Exotic symbol: PS;

Conversion relation:1h = 60min; 1 min = 60s1s =10 3ms =10 6μ s =10 9ns =10/2ps.

Extended data:

Specification for abbreviations of time units:

1. Any time unit that starts with specific data should be represented by "d, h, min, s" instead of "day, hour, minute, second". But "year, month and week" need not be represented by "y, m and w".

2. When the time unit has no specific data, Chinese is still used. ?

Example: "* * * treatment for 5 days" should be "* * * treatment for 5 days"; "3 times a day" cannot be changed to "every d? 3 times. "

3. When reporting the treatment and treatment, abbreviations such as "ip, iv, tid, qd" cannot be used, and Chinese words such as "intraperitoneal injection, intravenous injection, 3 times a day,/kloc-0 times a day" should be used.

References:

Baidu Encyclopedia-China's legal unit of measurement