planum面; 平面
plann.计划;方法;策略;设计图;平面图v.打算;安排;计划;设计
plano-concave mirror平凹双面反光镜
Planaxis sulcatus Bornn.芝麻螺(蟹守螺超科;芝麻螺科)
plan position approach平面位置
planning and designing规划设计
planck's radiation law
Plans Activation Party计划启动组(北约)
Plan for retirement.对于退休进行规划.
planachromat objective平视消色差物镜
plan and participation规划参与
planned drawback index退税计划指标