1, sec is the English word second (English [? Seck? nd]？ Beauty] [ Seck? Nd]) is the second meaning in Chinese.

In some documents, units such as centimeters per second will appear, indicating how many centimeters per second.

For example: her? Hey? Answer? Personal? The best? Yes? 13.0 1? Second?

She ran a personal best of 13 438+0 seconds.

2.min is the English word minute (English ['m? n？ T] beauty [? m？ n？ T]), the meaning of minutes.

For example: it? Lasting? For 1? Min? And then what? Really? No? Cooling time? Time. ?

Duration 1 min, no cooling time.

Extended data:

Other time abbreviations

1 and hour in English is hour (English [? A(r)] beauty [a? R]), abbreviated as h, 1h=60min=3600sec.

The hour is not the basic unit of the international system of time units (the basic unit of the international system of time units is seconds), but an auxiliary unit of time coordinated with the basic unit of the international system of units. Usually used as a unit of time in mathematics or physics.

Except seconds, one hour is generally equal to 3600 seconds, or 60 minutes, or 1/24 days. "H" is often used in English or mathematics.

2. Millisecond is English (English [? m？ Lisek? Nd] beauty [? m？ ls？ k？ Nd]), abbreviated as Ms.

Millisecond is one thousandth of a second (0.00 1 second), and the shortest exposure time of a general camera is one millisecond. A housefly flaps its wings every three milliseconds; Mosquitoes flap their wings every 20 milliseconds; Bees flap their wings every five milliseconds.

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