adj.发出的；发射的；发行的；表达的
动词emit的过去式和过去分词形式.
The radio signals emitted from these materials are detected. 从这些材料中发出的无线电信号被检测到了。
Acoustic emission is the characteristic and irreversible sound emitted by a material when it is deformed. 声发射是当材料变形时所发出的特殊的不可逆的声响。
The energy emitted by galaxies comes from various sources. 星系所发射的能量来自不同的源头。
Both rely on mathematical calculations to determine the location from which a positron or photon was emitted. 这两种成像方法均依靠精确的计算来决定正电子或光于发射的位置。
