场

field intensity

场强度

field flutter 场的颤动 | field intensity 场强度 | field of forces 力场

field lens

场镜

field ion microscope 场致离子显微镜 | field lens 场镜 | field magnet 场磁铁

longitudinal field lens

纵向场透镜

longitudinal field 纵向场 | longitudinal field lens 纵向场透镜 | longitudinal field type 纵向场式

field lens iris

场镜可变光栏

field lens 场透镜,向场透镜,野外用镜 | field lens iris 场镜可变光栏 | field lightening truck 野外照明车

field lines

场力线

field intensity 场强 | field lines 场力线 | field magnet 场磁铁,场磁体

field lines

场线

917 field intensity 场强 | 918 field lines 场线 | 919 field magnet 场磁铁,场磁体

field magnet

场磁铁

field lens 场镜 | field magnet 场磁铁 | field of forces 力场

field magnet

场磁体;场磁铁

望远镜 field lens | 场磁体;场磁铁 field magnet | 磁场调节器 field regulator

field of extremals

极值曲线场

field of events 事件场 | field of extremals 极值曲线场 | field of forces 力场

dark field of view

暗视场

dark field microscope 暗场显微镜 | dark field of view 暗视场 | dark ground illumination 暗场照明

Hydraulic sizer：水力筛分机

hydraulic setting refractory 水凝[性]耐火物 | Hydraulic sizer 水力筛分机 | hydraulicking 水掘法

roadside trees：街头树路树

rna splicing rna 剪接 | roadside trees 街头树路树 | roaring 咆哮