并列题名：Galileo's pendulum Galileo's pendulum 并列题名：Divine speculum 并列题名：Philosopher's pendulum 并列题名：Galileo Galilei 并列题名：Galileo Galilel 并列题名：Galileo's error 并列题名：Galileo's finger 并列题名：Galileo's Daughter foucault's pendulum