Raab as he stands , binoculars to his eyes , on a mound near the center of the ligo hanford observatory 一条笔直的水泥管道向北通往四公里外一栋建筑物，那里是观测站的其中一端。
2.
Products are distributed by well - established trading names such as point p , lapeyre and la plateforme du batiment in france , jewson and graham in the united kingdom , raab karcher in germany , holland , hungary and the czech republic , point p in spain and telhanorte in brazil . in the coming years , the division will keep up its development by stepping up international expansion , achieving organic growth , fostering synergies between banners and launching new distribution concepts 这些品牌有法国的point p , lapeyre和la plateforme du batiment ;英国的jewson和graham ;德国荷兰匈牙利和捷克的raab karcher ;西班牙的point p和巴西的telhanorte .未来的几年，建材分销部将通过国际化发展取得有机的增长鼓励各品牌之间的协作以及开发新的分销理念来保持其发展趋势。
3.
Pivoting 90 degrees , raab pans westward across the sagebrush - stubbled desert until he spots an identical tube and another building , also four kilometers distant . “ when we talk about locking the laser beam ” that shines inside those tubes , raab says , “ we mean holding the light waves steady to better than the width of an atom ? over that distance 拉布说：当我们谈到锁住（管道内的）雷射光束时，意思其实是：在光束行经四公里的距离后，我们可以将其偏差控制在一个原子的宽度之内。
