側棱 的英文怎麼說
中文拼音 [zhāiléng]
側棱
英文
lateral edge-
The beyond is the simple notation of serial number of pricker, totaled 7 digits of codes, in which the first digit represents the diameter of needle - bar of pricker, the second digit represents the siding of triangle side on functional section of pricker, the third digit represent the length of functional section of pricker, whereas in standard notation, it represents the distance from needlepoint to gradual deflating small port ( lower port ), the fourth digit represents the total length of pricker, which is the distance from the inside of bending helve to the needlepoint, the fifth digit represents the total quantity of dents on the cording of functional section, and the sixth digit represents the model of barb on functional section, while the seventh digit represents the distance between barbs on functional section
以上為刺針編號的簡單寫法，共7位代碼，第一位是刺針針桿的直徑；第二位是刺針工作段三角面的邊寬；第三位是刺針工作段的長度，同標準寫法所不一樣的是針尖到漸縮錐小口（下口）的距離；第四位是刺針的總長度，按彎柄內側至針尖的距離；第五位是工作段棱上的總齒數；第六位是工作段上鉤刺的型號；第七位是工作段上鉤刺與鉤刺之間的距離。The formulas of lateral area, surface area, and volume of pyramid can be given by vector method
立體幾何中棱錐的側面積、全面積、體積公式都可用向量方法給出。
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