Ví dụ về việc sử dụng Water clock trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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The water clock was invented with the purpose of tracking time.
The book described 50 mechanical devices in 6 categories,including water clocks.
Water clock was the second type of clock invented by the Egyptians.
A book on his work described 50 mechanical devices in 6 categories,including water clocks.
It had a water clock inside, which kept track of time overnight or on cloudy days.
However, when clouds blocked the sun or when night fell,they used a clepsydra, or water clock.
Some authors claim that water clocks appeared in China as early as 4000 BCE.
Other regions of the world, including India and China,also have evidence of water clocks.
Around 1000 BCE, water clocks- which worked in much the same way as the hourglass- became popular.
By the time of(c.1350BC),the priests at Karnak were using water clocks to determine the hours.
Some authors, however, write about water clocks appearing as early as 4000 BC in these regions of the world.
By the time of Amenhotep III(c. 1350 BC),the priests at Karnak were using water clocks to determine the hours.
The first physical evidence of the water clock dates back to 1417-1379 BC, when Egypt was reigned by Amenhotep III.
He was a beloved scholar-king who wrote songs and poetry andis said to have invented a type of sundial and water clock.
The origin of the hourglass is unclear and its predecessor the clepsydra, or water clock, may have been invented in ancient India.
The Borugak Jaguwongnu is a water clock that was made in 1536 and, although no longer functioning, is still a notable piece of surviving history.
Other regions of the world, including India and China,also have early evidence of water clocks, but the earliest dates are less certain.
In China, Zhang Heng(78- 139 AD) improved a water clock and invented a seismometer, and Ma Jun(200- 265 AD) invented a chariot with differential gears.
Stiffen after moisture absorption, easy deliquescence in the air,soluble in water, the water clock solubility is larger, the dissolving speed slower;
He employed it as part of his automata, water-raising machines, and water clocks such as the castle clock.[2] The camshaft later appeared in European mechanisms from the 14th century.[3].
Because of the newer technology and smaller size, pocket watches were, in some cases,even more inaccurate than the water clocks of old, sometimes losing hours a day.
The first feedback control device on recordis thought to be the ancient Ktesibios's water clock in Alexandria, Egypt around the third century B.C. It kept time by regulating the water level in a vessel and, therefore, the water flow from that vessel.
Chinese engineers later invented clocks incorporating mercury-powered escapement mechanisms in the 10th century,followed by Arabic engineers inventing water clocks driven by gears and weights in the 11th century.
While never reaching the level ofaccuracy based on today's standards of timekeeping, the water clock was the most accurate and commonly used timekeeping device for millennia, until it was replaced by the more accurate pendulum clock in 17th century Europe.
In 1198, during a fire at the abbey of St Edmundsbury(now Bury St Edmunds), the monks"ran to the clock" to fetch water, indicating that their water clock had a reservoir large enough to help extinguish the occasional fire.
Interestingly enough,it was hard to find a picture of an ancient Egyptian water clock, so we will have to make do with this picture is of an ancient water clock in Athens, Greece.
The three accusers, Meletus, Anytus, and Lycon, had a total of three hours,measured by a water clock, to present from an elevated stage their argument for guilt.