One, for instance, consisted of rods of various lengths and thicknesses which would stand up on end like ninepins.When a shock came, it shook the rigid table upon which these stood.

• 例如，有一种装置是由一些长短、粗细不同的木棒组成，就像九柱戏的木棒一样坚立着，一旦有地震，就会震动竖立在坚硬的桌上的木棒。