基本解釋場強,場強密度;密度矩陣英漢例句雙語例句This problem demonstrates why the energy density of gravitational field is negative.本題演示為何重力場的能量密度是負(fù)的。The emission current density of the field emitter is primary determined by the surface field strength of the cathode.在計算場致發(fā)射體陰極發(fā)射電流時,影響發(fā)射電流的主要因素是陰極表面的電場強度。Week 16 Energy of point charges system, energy of electric field in capacitor , energy and its density of electric field.第16周點電荷系的能量;帶電電容器儲存的能量;電場的能量和能量密度;應(yīng)用舉例。原聲例句So, instead of having the periodic variation of water, or the periodic variation of air density here we're talking about an electric field.不像水或者空氣密度的,周期變化,我們這里,討論的是電場。麻省理工公開課 - 化學(xué)原理課程節(jié)選density of field更多例句詞組短語短語density of field stool 野糞密度density of magnetic field 磁感密度density of field energy 場能量密度density of electric field energy 電場能量密度energy density of electric field 電場能量密度density of field更多詞組專業(yè)釋義物理學(xué)場密度