quadrat [生物] 樣方（生態調查的方形地）；嵌塊（填空的鉛塊）
1.Chassis with quadrate batholith the cheapest, chassis appearance is irregular, mould cost is high, shower house price also is met subsequently heighten.
2.Smallpox of aluminous gusset plate of quadrate plating lacquer. Use in the easy and smudgy place such as kitchen, toilet. It is current mainstream product.
3.Pulley gear, worm gears, cylinder, bearing base and quadrate pole etc were designed and checked.
4.The shape of the cap body is of a fold-type and flexible structure and is round or rectangular, quadrate, elliptical, trilateral, and polygonal.
5.On the other hand , with the social groupings'ceaseless expeditions and the defense system's gradually complication, quadrate or rectangular city-wall has come into being.