differential of arc的用法和样例：
- Joan of Arc was one of France's greatest daughters.
- Joan of Arc was burnt (alive) at the stake.
- Joan of Arc was made a saint in 1920.
- Joan of Arc led a large army to raise the siege of Orleans in1429.
- Joan of Arc was burned to death.
- Joan of Arc was burnt at the stake.
differential of arc的相关资料：
differential pay differential differential -algebraic systems differential evolution algorithms differentially value-equivalent differential equation with delays differential thermal gas analysis differential size frequency curve differential drive pinion carrier Differential mean value questions differential transmitting linkage differential measuring instrument