常見(jiàn)例句雙語(yǔ)例句The symmetry of the permittivity tensor is found to be based on the first law of thermodynamics and the non-wastage condition.由熱力學(xué)第一定律及無(wú)損條件導(dǎo)出了介電張量的對(duì)稱性； 返回 permittivity tensor