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Anonymous users2024-02-15The abbreviation of localcontrolunit is LCU, which means local control unit. According to the use, the LCU screen can be divided into many kinds, and the common ones are unit LCU screen, local control panel, hydropower plant LCU control cabinet, public LCU and other names. There are many small hydropower stations in the south, and they are widely distributed.
If it is divided according to the unit LCU, it can be divided into two types: unit LCU and public LCU. The realization of control, monitoring, etc. is mainly based on PLC equipment-based screens. 【Click to test whether I am suitable for learning design】 IT Internet technology training is to Qianfeng Education.
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Anonymous users2024-02-1420min means 20 minutes.
The abbreviation "min" is an abbreviation of the English word "minute", and its "min" is often used in mathematics to mean minutes.
The conversion relationship between minutes and other units is: day = 1440 minutes, 1 hour = 60 minutes, 1 minute = 60 seconds.
The base system of hours and minutes and seconds.
The sexagesimal system comes from Babylon.
They use the factor of sixty as the unit of calculation. But the Babylonians did not divide the time into 60 minutes, but ancient Egypt.
Dividing the day into 12 o'clock day and 12 o'clock night, they also distinguished the seasons in the same way. Ancient Greece.
Astronomers, including Hibakus and Ptolemy, defined the solar day for 24 times.
When subdivided in sexagesimal such that a second is one-86,400th of a solar day. That being said, it is hard to believe that the ancient Greeks needed to define the seconds of the ancient Greek period of time, such as the synodic month, which was very precise because they did not observe a single synodic month, but measured the average length (number of days) of the synodic month in terms of eclipses hundreds of years apart.
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Anonymous users2024-02-131min means 1 minute. min is an abbreviation of the English word "minute", which means minutes. The word is mainly used in mathematical expressions.
units. For example, 986 r min means 986 revolutions per minute.
Conversion: 1440 minutes a day.
1 hour 60 minutes.
1 minute 60 seconds.
Quarter 15 minutes.
One word 5 minutes (Minnan.
Guangdong regional usage).
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Anonymous users2024-02-12<> meters. M is a unit of length in the math index.
Rice means. Therefore, 20m means 20 meters.
2. The bandwidth rate of broadband. There are many fields of broadband applications, which can be used to represent the data transmission capacity of signal transmission, the amount of data passing through the link per unit time, and the display capacity of the display.
The normal conversion is as follows:
1mbit=128kb。
2mbit=256kb。
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Anonymous users2024-02-112min means 2 minutes. 2min is 2 minutes, and an hour has 60 minutes. So 2min is equal to 2 60 = hours.
2min etc. 2 60 = 1 30 hours, min is the English abbreviation of minutes, so, 2min is 2 minutes! It is generally written like this, which is more convenient.
2 seconds for 2 seconds, 2 hours for h! min means minute.
Basic Concepts of Time:
Broadly speaking, when a point is relative to a coordinate system.
When moving, the line or line segment or curve formed by its motion is one of the times at the point at rest relative to that coordinate system. Each point corresponds to multiple times. Relative to a certain time, the faster the point at rest starts to move, the slower the time, when the speed is the same as the point moving in that time, the time stops, and the speed exceeds the point, which is equivalent to going back to the past.
Relative time is real time, which is time expressed in real numbers. Refers to the time at which the point of non-extradimensional motion is formed. Absolute time is imaginary time, and imaginary numbers are used.
The time represented. Refers to the time at which the point of extradimensional motion is formed.
VDF means:
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