In this paper, a semi-empirical formula for the travelresistance of the boat body was derived and the travelresistance in different specified conditions were calculated.
本文作者推导了船体行驶阻力的半经验公式，并用此公式计算不同情况下的行驶阻力。
2
By permitting electricity to travel freely, without resistance, such a superconductor could dramatically improve the efficiency of power transmission technologies.
由于可以让电子毫无阻碍地通过，这种超导体将可以明显提高电能传输的效率。
3
As Franklin demonstrated, lightning bolts follow the path of least resistance and will readily travel down materials like metal and wet string.