基于椭圆曲线的结构化多重数字签名算法。绝竣纯多重数孛签名允谚签名墨依按照特定砖茶名结构透蟹签名。-Based on Elliptic Curve Digital Signature Algorithm multi-structured. Pure multiplicity must Joon Yun Yen sign Mo Yi Bei Signed in accordance with a specific structure of brick tea were thoroughly crab

弹簧单摆运动图，先列出弹簧单摆运动的二元方程组，再进行数值计算，得到相关的运动图像-tan huang dan bai yun dong tu