圆曲线（圆曲线段长度）【circular curve】指的是道路平面走向改变方向或竖向改变坡度时所设置的连接两相邻直线段的圆弧形曲线。 圆曲线的起点就是直圆点，代号为直圆点的拼音首字母，为ZY。
曲线的形式较多,其中,圆曲线(circular curve)是最基本的平面曲线。 圆曲线半径根据地形条件和工程要求选定,由 转角α和圆曲线半径R,可以计算出其它各测设 元素值。
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椭圆曲线 [数] elliptic curve ; Elliptical Curve ; Ellipse Curve Cryptography
椭圆曲线密码学 Elliptic curve cryptography ; ECC
椭圆曲线密码 ECC ; elliptic curve cryptography ; elliptic curve cryptosystem ; Elliptic Curve Cypher
椭圆曲线密码体制 ECC ; Elliptic Curve Cryptosystem ; elliptic curve cryptography ; Elliptic Curve Cryptography-ECC
圆曲线测设 [测] circular curve location
椭圆曲线数字签名算法 ECDSA ; Elliptic Curve Digital Signature Algorithm
椭圆曲线加密 elliptic curve crypto ; ECC ; Elliptic curve encryption ; Elliptic Curve Cryptography
椭圆曲线密码系统 Elliptic curve cryptosystem ; Elliptic curve password system ; Elliptic Curve Cryptography ; ECC
椭圆曲线加密技术 ECC ; Elliptic Curve Cryptography
With a view to the characteristic of the improved "G-belt","ε_σ- belt",line and circular curve error belt,the writer has compiled related programs with MATLAB program language,and attained perfect visualization effect.
本论文针对改进后的“G—带”、“ε_σ—带”、以点位误差表示的直线和圆曲线误差带的特点,采用MATLAB编程语言分别对其进行程序编译,达到了理想的可视化效果。
参考来源 - GIS空间数据中线元不确定性及可视化研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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