“4π measurement”的概念、定义、翻译、参考文献-科学参考

单词	4π measurement
释义	4π measurement Encyclopedia 理学原子核释 4π measurement4π测量法将放射源置于探测器内部，使源发出的射线能全部进入探测器的灵敏区，即在4π立体角内均能进行有效探测的方法。
随便看	pipelining of heated oil pipelining of high pourpoint and viscous oil pipelining of products by batch pipeloop pipe material of water supply Pipe Nebula pipe network system pipe prover piper pipe ramming method piperazine piperazine-2,5-dione piper diagram pipe resistance piperidine piperidine alkaloid piperidone piperine pipe rod and wire processing machinery pipe rolling forming piperonyl butoxide pipe rupture valve pipe rupture valve on hydraulic elevators pipe sleeper pipe sound insulation

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