三层楼的

• The other two , phenix and star , are built around huge , general - purpose devices that fill their three - story experimental halls with thousands of tons of magnets , detectors , absorbers and shielding [ see bottom box on preceding page ]
  另两个实验， phenix与star ，则是巨大且用途广泛的仪器，几千公吨的磁铁、侦测器、吸收器以及保护罩，塞满了三层楼的实验大楼（参见33页粒子碰撞与侦测） 。