i tantaneous value 瞬时值

i tantaneous strain 瞬时应变

i tantaneous rotation 瞬时转动

i tantaneous death 即时死

i tantaneous center of rotation 瞬时转动中心

i tantaneous electric power 瞬时电功率

i tantaneous force 瞬时力

i tantaneous power 瞬时功率

i tantaneous voltage 瞬时电压