[光] Diverging lens
... divergent pencil of rays 发散光束 diverging lens 发散透镜 divertor 分流偏滤器 ...
[光] divergent lens
... 又称为正透镜(positive lens) o 3.3发散透镜divergent lens 又称负透镜(negative lens), ...
defocusing lens
... internal defocusing 内散焦 defocusing lens 发散透镜 radial defocusing 径向偏焦 ...
negative lens
... negative ion source 阴离子源 negative lens 发散透镜 negative meniscus 凸凹透镜 ...