Astrophysicists working with ground-based detectors at the South Pole and ballon-borne instruments are closing in on such structures,and may report their findings soon.
Astrophysicists working with ground-based detectors at the South Pole and ballon-borne instruments are closing in on such structures,and may report their findings soon.
回答：天文学家使用南极的地面探测器和气球所载的仪器观测这种结构,研究即将结束,并很快会报告他们的研究结果.