| 释义 |
扭力天平niǔlì tiānpíng测量重力场变化的仪器。由钨丝悬挂一根两端有小球的金属杆构成。重力场变化时,金属杆发生偏转。多用于探矿。{torsion balance; instrument for measuring changes in the field of gravity, consisting of a metal rod with a small ball at each end hanging from a tungsten wire, where the metal rod turns when the field of gravity changes. The instrument is mostly used for prospecting.} |