pentagonal是什么意思,pentagonal怎么读,
英式发音:[penˈtæɡənl] 美式发音:[penˈtæɡənl]
pentagonal prism[物]五角棱镜;[数]五棱柱
词根:pentagon
n.pentagon 五角形
pentagram [数] 五角星形
pentacle 五角星形;星印(等于pentagram)
pentangle 五角形(等于pentagram)
1.The results of the simulation indicate:compared with cyclone in other domain, the secondary flow of the preheating cyclone with pentagonal inlet and three core volute structure is relatively weaker.
模拟计算结果表明:与其他领域应用的旋风分离器相比,五边形入口、三心大涡壳式旋风预热器内筒入口附近次级流动相对较弱;
2.The results of the simulation indicate:compared with cyclone in other domain, the secondary flow of the preheating cyclone with pentagonal inlet and three core volute structure is relatively weaker.
模拟计算结果表明:与其他领域应用的旋风分离器相比,五边形入口、三心大涡壳式旋风预热器内筒入口附近次级流动相对较弱;
3.Flowers: Sepals strongly ascending to appressed, longest 4 – 5 mm, corolla globose-urceolate, pentagonal, to 10 x 8 mm in diameter, petals apiculate, orange -red.
花:萼片紧密贴合在花上,最长约4-5毫米,花冠球瓮形,(正面观)五边形,10×8毫米直径,花瓣尖细,橘红色。