erda中文什么意思

埃尔达

爱尔达

美国能源研究和发展管理局

美国能源研究开发署

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能源研究和开发机构

例句与用法

1. C - elastic recoil detection analysis ( c - erda ) spectrum shows that the concentration of helium atoms in he - charged al films is about 7 %
   经碳原子弹性前冲散射分析( c - erda ) ，薄膜中氦原子浓度可达约7 % ，且分布均匀。
2. This device can also be used as a monitor in erda with q3d magnetic spectrometer to achieve higher energy resolution about inm . especially , a ae ( gas ) - e ( solid ) telescope with longitude double - room ionization chamber is made . by double - room technology , a higher energy resolution of the longitude ionization chamber was achieved
   其中设计制作了一套双电离室纵向型e ? e型望远镜系统，克服了横向型电离室结构复杂和探测立体角较小的弊病，电离室能量分辨达3 . 3 (对50 . 3mev12c ) 。