Meaning of proportion

Meaning of proportion

The expression for two equal ratios is called proportion. The four numbers that make up the proportion are called proportion terms. The two terms at the two ends are called outer terms of proportion, and the two terms in the middle are called inner terms of proportion.

Meaning of normal percentage

[Word]: percentage
[Bopomofo ]:bai fen lu
[Explanation]: Also called "percentage" and "percentage ". Write the ratio of two quantities in the form of a100, and record it as a%. The symbol "%" is called the percent sign. For example,0.14=14%.
[Example]: In the weather forecast program on TV every day, the weather conditions and precipitation probability of the same night and the next day will be reported, which will remind everyone to be prepared in advance, just like the precipitation probability of today's night is 20%, the precipitation probability of tomorrow's day is 10%, and clothes should be added in the morning and evening.20% and 10% are clear and concise.
With the rapid development of technology, every middle-aged person is now equipped with a mobile phone of various styles. Psychologist Glenn Wilson at the Royal College of London has shown that reading text messages with your head down all the time can lead to inefficiency and slow brain response of the staff. The IQ of those who read text messages frequently will drop by 10%. This is another proof that the mobile phone is convenient but harmful to human health.
80%
China is the world's largest producer of energy - saving lamps.
47.1%
In 2001,47.1% of the college students signed the contract with a monthly salary below 1500 yuan.
85.53%
According to an online survey,85.53 percent of Internet users have never read classics in recent years. In addition,8.58 percent of Internet users have not read classics in the past decade, and 6.75 percent of Internet users have never read classics.