An arrow, also known as a arrow, is a long-range weapon with a sharp edge that is launched mechanically with the help of bows and crossbows. Because of their different ejection methods, they are divided into bow arrows, crossbow arrows and throwing arrows. The arrows for bows are longer, usually more than 70 centimeters (some war arrows are more than one meter long); the arrows for crossbows are shorter, about 50-60 centimeters.
Arrows (arrows, clusters) are used for bow shooting or crossbow shooting. The arrows for bows are longer, about 70 centimeters; the arrows for crossbows are shorter, about 50-60 centimeters. Its production also made great progress during the Spring and Autumn Period, and the traditional two-winged flat shape from the Shang Dynasty to the Western Zhou Dynasty was gradually abandoned, and Chinese calligraphy
was changed to a three-winged triangular pyramid shape.
A weapon fired by mechanical force. Due to different ejection methods, they are divided into bow arrows, crossbow arrows and throwing arrows. Arrows are composed of three parts: arrowheads, arrow shafts, and arrow feathers. Arrowheads, also known as arrowheads, are mostly made of iron, with a sharp tip and a plump bottom. The styles include rhombus, triangle, cone, etc. Its blade is thin and sharp, with grooves on the side. The arrow shaft is made of wood or is embedded under the arrowhead. The arrow shaft is cylindrical and is made from the arrow tip. Arrow feathers are often made from the wings of giant birds such as falcons, and are clamped at the end of the arrow shaft to enable the arrow to hit the target smoothly during flight.
In ancient times, a timer was placed under a clepsydra to indicate the time. ——Wang Wei's "Reminiscing about Hu Chushi's Family in the Snow at Winter Evening"