单词	导目镜
释义	导目镜guiding eyepiece
随便看	effective equivalent section effective error effective error mean square effective estimator effective evaporation effective evapotranspiration effective exchange rate effective excitation force effective exhaust velocity effective exposure effective face width effective facsimile band effective factor effective fertility effective fetch effective fetch length effective field effective field capacity effective field intensity effective field of magnetocrystalline anisotropy [effective] field ratio effective field ratio effective field strength effective film thickness effective firing time