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Cubic pinyin
The pinyin of "Cube" is [l √ f ā ng], which is described as follows:

1, Chinese interpretation: Lide's "History of the Later Han Dynasty": "My husband is partial to the Middle Ages, he can become a famous cubic, and there are countless covers." Prescription. Ming? Wang Shouren? In the volume of Biography: "Mencius' theory of gathering righteousness and nourishing qi has made great contributions to later learning, but it was also caused by illness. "Shen Ming Telford's" Distinguishing Night Fire, Time and Road, Bai Zi Nian ":"All living beings have important careers and are cubic people. Where is their heart? "

2, six-sided stereo. Shen Songkuo's "Meng Qian Bi Tan Shu": "In ancient law, anyone who counts as a square product has a cube, which means that the six methods are the square, and the law multiplies itself." Quantifier for volume, usually cubic meters.

3. Mathematical definition: Cubes are also called cubes. The product of three identical numbers is called the cube of this number. For example, 5×5×5 is called the cube of 5, and it is recorded as 5? . Quantifier, used for volume, generally refers to cubic meters. In graphics, cubes are commonly used units to measure the volume of objects, such as cubic meters, cubic decimeters and cubic centimeters.

4. Side length? = volume (Note: If the unit of side length is cm and the unit of volume is cubic cm, write cm? ; If the unit of side length is meters and the unit of volume is cubic meters, write m? And so on. ) The number of a cube equal to itself is only 1, 0,-1. The cube of positive numbers is positive numbers, the cube of 0 is 0, and the cube of negative numbers is negative numbers. Extension: odd powers of negative numbers are all negative numbers.