场 field 场保护继电器 field protective relay 场变量 field variable 场变量的模式 field variable pattern 场变量的梯度 gradient of field variable 场变形 field deformation 场波 field wave 场波导 field waveguide 场不均匀性谐波 harmonic of field errors 场不连续性 field's discontinuity 场测定器 field recognizer 场颤 field flutter 场畴 field domain 场磁极 field pole 场磁体 field magnet 场磁铁 field magnet 场存气干材 yard lumber 场的节点记号 notation for field node 场的耦合 coupling between fields 场地 yard; ground; area; space 场地加热 space heating 场地烈度 site intensity 场地起重机 yard crane 场地清除 site clearing 场地清理 site clearing; site clearance (指施工前的) 场电离放射发动机 field-ion emission engine 场电离源 field ionization source 场电力线 field line 场电流 field current 场电路 field circuit 场电视录像 field television video recording 场电压 field voltage 场调变度 field flutter 场调管 technetron 场调整 field alignment 场定相 field phasing 场端安全区 overrun 场对中 field alignment 场发射电子微波管 femitron 场发射源 field emission source 场方向性相对因数 field pattern-propagation factor 场分布 field distribution 场分布曲线 field distribution curve 场分量 field component 场分频器 field divider 场幅度 field amplitude 场幅度调节 field amplitude control 场幅度调整 field amplitude adjustment 场辅助光阴极 field assisted photocathode 场干燥变压器 field-drying transformer 场感应发光 field-induced photoemission 场合 occasion; situation; instance 场回描 field retrace 场畸变 field distortion 场畸变附加损失 field form entry loss 场积累方式 field integration mode 场激发 field excitation 场激励电源 field power supply 场激励器 field exciter 场监示管 field monitoring tube 场间差异 interfield disparity 场间切换 interfield cut 场结构 field structure 场解吸法 field desorption 场解吸质谱法 field desorption mass spectrometry 场镜 filed lens; field piece 场镜可变光栏 field lens iris 场镜面 plane of field lens 场开关 field switch 场控光致发光 electro photoluminescence 场阑 field stop