随机变分法 calculus of variations: 变分法; 变分学stochastic calculus: 随机计算calculus of variations in the large: 宏观变分学mayer problem in calculus of variations: 变分法中的梅耶问题variations: 变更; 变化; 变奏曲下载手机词典可随时随地查词查翻译