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"Make way for the college entrance examination and reduce noise." How much sound intensity can be considered noise? Affected by the epidemic, this year's college entrance examination was postponed by one month compared to previous years. In fact, over the years, the people have a
"Make way for the college entrance examination and reduce noise." What is the sound intensity that can be considered noise? May as well understand
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55 decibels is the sound of people talking normally, the sound of an alarm clock is about 80 decibels, and a chainsaw can even make 100 decibels of noise when it is working. When a jetliner is 100 meters above the ground, people can hear 130 decibels. The loud decibel sound, in f
Why is the loudest sound heard by humans 194 decibels? How terrible is it after exceeding 200 decibels?
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Nowadays, more and more people are paying attention to their health. In order to improve their physical fitness, many people insist on exercising. Exercise can not only strengthen the body, but also improve the body's immunity and prevent diseases and even cancer.
Does running for 40 minutes a day delay aging or accelerate it?
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What woman can resist the sparkle of diamonds? The ring setting is wrapped with diamonds to create the most gorgeous and sparkling treasure in the world. Every shining diamond ring is a spirit that makes people obsessed and addicted. When many girls choose a diamond ring, in addi
Behind the sparkle of diamonds is the magic of prong setting. Teach you how to choose the perfect big and sparkling diamond ring in 3 minutes.
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For most people with average spending power, it does not seem to be an easy task to choose the diamond ring they like among the many diamond rings. Moreover, in people's consistent perception, the price of diamond rings does not seem to be cheap. So, what should the average perso
What should the average person pay attention to when buying a diamond ring? Is price or size more important? Why?
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When people visit various jewelry stores, they will find that there are many kinds of diamond rings of different sizes and styles on the market, and these diamond rings will also have different price tags. So, among these many diamond rings, how big is a 1-carat diamond ring?
How big is a 1 carat diamond ring? Approximately at what price? has no meaning?
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However, since a 1-carat diamond ring is relatively expensive, you can only settle for a diamond ring less than 1 carat. Therefore, there are many 20-cent, 30-cent, and 40-cent diamond rings on the market, and the prices are not very expensive, but they can satisfy girls. The dre
How to choose a cost-effective diamond ring in 2019 How much does a 20-40-30-cent diamond ring cost?
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When your yang energy is in a solid and secret state, you can achieve a healthy state of yin, yang and secret. All the organs of the human body, the food eaten, and various nutrients belong to Yin. Insufficient Yang Qi makes you susceptible to 5 kinds of ailments.
Insufficient Yang Qi makes you susceptible to five kinds of ailments! To dispel the coldness in your body in summer, you must try this
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At the NATO Madrid Summit, Japanese Prime Minister Fumio Kishida and South Korean President Yoon Seok-yue also attended for the first time. Moreover, Biden also convened a tripartite meeting between the United States, Japan and South Korea.
For four awkward minutes, Japan and South Korea really faced each other like this
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The China Consumers Association released a comparative test report on 25 electric toothbrushes on the 13th. The maximum noise of the samples exceeded 50 decibels, and the user felt like a dental drill. In addition, the charging and discharging times of the samples vary greatly. T
The maximum noise exceeds 50 decibels - China Consumers Association releases a comparative test report on 25 electric toothbrushes
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History can be interesting, and knowledge is all around you. Daily Yibao will help you see through the long-standing secrets from the clues of cultural relics. The funerary monument to Philip Potter is a polychrome limestone statue decorated with gold and lead, 181 cm high, 260 c
A treasure of the day | Philip Porter’s funeral memorial
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The seat of Gloucestershire, this ancient city known as the Cathedral City, because of the blessing of Harry Potter's filming location, people remember this little-known but worth-seeing city.
What kind of magical appearance does the location chosen by Harry Potter have?
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As the most famous large-scale professional cross talk club in China, Deyun Club is well-known in the industry. Being able to enter Deyun Club is a dream for many people. However, there are also 5 former disciples of Deyun Club who have now been expelled from the division and lef
How are the five apprentices who were expelled from the school by Guo Degang doing now?
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In 2001, the Harry Potter film series began introducing fans around the world to the wacky and enchanting wizarding world, a community of wizards waving wands and casting spells.
The ten most powerful wands from the Harry Potter film series, all with specific ties to their casters
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The most striking thing about a country as vast as India is its richness, whether it is its diverse landforms, multiculturalism, multiculturalism,
India, it turns out there are these little-known world heritage sites!
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More than 4,000 years ago in Egypt, 60 warriors were mysteriously executed on a cliff near Luxor. They were made into mummies, then thrown off the cliff and sealed in a secret room.
A secret chamber of mass burials of mummies was discovered in Egypt, and 60 warriors were mysteriously executed, hinting at the dark history of ancient Egypt
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In the end, with two goals from Lu Wenjun and Liu Zhurun ​​in the first and second half, the team defeated the Hebei team 2-1 and got a victory as they wished. Regarding this game, Shanghai Harbor head coach Lecco commented: "I think we deserved this victory, the team played a ve
Lecco praised Liu Zhurun ​​after the game, Oscar: I feel in good physical condition
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History can be interesting, and knowledge is all around you. Daily Yibao will help you see through the long-standing secrets from the clues of cultural relics. The funerary monument to Philip Potter is a polychrome limestone statue decorated with gold and lead, 181 cm high, 260 c
A treasure of the day | Philip Porter’s funeral memorial
05/23
1686
The seat of Gloucestershire, this ancient city known as the Cathedral City, because of the blessing of Harry Potter's filming location, people remember this little-known but worth-seeing city.
What kind of magical appearance does the location chosen by Harry Potter have?
05/23
1167
As the most famous large-scale professional cross talk club in China, Deyun Club is well-known in the industry. Being able to enter Deyun Club is a dream for many people. However, there are also 5 former disciples of Deyun Club who have now been expelled from the division and lef
How are the five apprentices who were expelled from the school by Guo Degang doing now?
05/23
1984
In 2001, the Harry Potter film series began introducing fans around the world to the wacky and enchanting wizarding world, a community of wizards waving wands and casting spells.
The ten most powerful wands from the Harry Potter film series, all with specific ties to their casters
05/23
1346
The most striking thing about a country as vast as India is its richness, whether it is its diverse landforms, multiculturalism, multiculturalism,
India, it turns out there are these little-known world heritage sites!
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1840