spotting

Estate agents, who were hated long before Tim Berners-Lee gave up train spotting to invent the world wide web, were always going to be the first to go, come the internet age.

在蒂姆•伯纳斯-李（Tim Berners-Lee）放弃数火车，发明万维网之前，房地产经纪人早就遭人怨恨了。随着互联网时代的到来，房地产经纪人本应是第一批消失的人。

Spotting the older stars in action is one of the prime missions of the James Webb Space Telescope, to be launched by NASA in 2018.

寻找有活动的古老恒星是美国国家航空航天局（NASA）詹姆斯·韦伯太空望远镜的主要任务之一，该望远镜将于2018年发射。

Two stage image directional control simulation system simulated the image stabilization of the artificial satellite spotting the earth through the air-floating platform simulating the satellite attitude and control system of the correlation tracker.

两级图像定向实验系统通过气浮台模拟卫星姿控和CCD相机图像相关跟踪两级控制回路在实验室模拟实现近轨太阳同步轨道卫星对地观测的高精度图像稳定。