单词	呌佢入嚟
释义	同BID
随便看	effective field intensity effective field of magnetocrystalline anisotropy [effective] field ratio effective field ratio effective field strength effective film thickness effective firing time effective fission neutron yield effective flow effective flow resistance effective flux effective f-number effective focal length effective focal spot effective for effective force effective force in rotation effective fragment effective frame effective freeboard effective freezing time effective frequency effective frequency deviation effective frequency range effective full power hour