放射体

1
emitter
... emitron光电摄象管 emitter发射器，放射体 Emmet'sneedle埃梅特氏弯针，有柄粗弯针 ...
2
radial trough
二氧化碳形成烟柱时，会形成蜘蛛放射体(radial trough)。称之为蜘蛛，是因为从空中看去，它们的形状与蜘蛛非常类似。
3
radioactive body
... 放射原子 radioactive atom 放射体 radioactive body 放射链(系) radioactive chain (series) ...

短语

1
化学家们对他们在放射体中发现的元素同样感到惊奇：这些元素经历了原子结构变异，而原子结构一直被认为是不可变的。
Chemists had no less astonishment as they recognized in these radioactive bodies, elements which had undergone modifications of the atomic structure which had been thought unalterable.
2
因为目标表面是一个大的，非常复杂的放射体，你需要处理它上面的每一个面，例如在那些uv投影反转的地方，会使图像凹进去而不是凸起来。
Since the target surface is one big, very complex projector you should treat every face on it as if it where an inverse UV projector, sucking up the image instead of projecting it.
3
对他的治疗是把手术、放射和药物治疗结合为一体。
His treatment was a combination of surgery, radiation and drugs.
《牛津词典》

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