研究人员认为该天体已有132亿年的历史，是由哈勃超深空影像仪器观测到的。
The object is thought to be 13.2 billion years old and was seen by the Hubble Ultra Deep Field instrument.
结论：B超对隐睾的位置、大小、内部回声的诊断确切，而且超声检查无损伤、无痛苦、简便、经济、可重复，可作为隐睾症的首选影像学检查方法。
Conclusions: For cryptorchism, B-ultrasonography is a simple, safe and effective, and repeatable diagnostic method, may be the image method of first choice.
目前，无症状肾癌的诊断主要依赖于影像学检查，尤其B超、CT等有助于提高检出率。
In recent years, the diagnosis of asymptomatic renal carcinoma depends mainly on imaging methods, particularly Bultrasonography and ct which help to increase detection rate.
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