Respect is nine, because "respect" can be understood as extreme respect and worship for someone or something, expressing special feelings or respect. And "sincere gratitude" refers to sincerity and enthusiasm for something or emotion. This description describes the characteristics of the number 9 very aptly.

First, the nature and application of the number 9 in mathematics

The number 9 has many unique properties and applications in mathematics. First of all, 9 is an odd number and can only be divisible by 1 and itself. In addition, after any number is multiplied by 9, the sum of the digits on each digit is equal to the sum of the digits of the product of 9. For example, 3×9=27, 2+7=9. This property is called "Nine Laws" and is widely used in calculation.

Second, the symbolic meaning of the number 9

In China culture, the number 9 also has important symbolic significance, for example, the Nine Dragons Wall, Kyushu Land and Jiuqu Bridge. Nine is considered as the largest single number, symbolizing perfection and eternity.

Because "nine" and "long" are similar in pronunciation in Chinese, nine also stands for long-lasting meaning. Therefore, in traditional Chinese weddings, nine is regarded as an auspicious number, and people often choose to hold weddings on September 9.

Third, the application of the number 9 in other fields.

In addition, 9 is widely used in many fields. For example, in sports competitions, there are often nine-a-side teams playing, while in the music field, there are eight notes in the scale, and together with a supplementary note of high and low, it becomes nine notes.

Fourth, the meaning of sincere respect.

Sincere respect, a China idiom, pinyin is Q and N Jì ng ZH and Ché n, which means sincere feelings of admiration and respect.

Five, the basic interpretation of idioms should be respected and sincere.

The idiom form of sincere respect is ABCD idiom; Idiom tradition, respect; The degree of common use is common idioms; Emotional color is a neutral idiom; Idiom structure is formal; Idioms are used as objects in social life.