visible ray

基本解释

Because silicone is not visible on an X-ray or a CT scan, Dr. Raoof said, diagnosis is difficult without a biopsy.
羅孚說，因爲矽膠無法在X射線或是CT掃描中被發現，若不用活組織檢查很難診斷。
blog.sina.com.cn
Fractures above the right elbow, visible in an X ray, may have been made with the intent of breaking the arm apart.
在x光片上可以清楚地看到右手肘上麪的裂縫，目的是爲了將胳膊拆開。
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The reflectivity to the visible and near infrared ray will be dropped as cellshpere is plated with metal such as silver and nickle.
空心微珠經過金屬鍍層処理後，對可見光、近紅外的反射能力都有所下降。

But the flood of more visible cosmic -ray data makes it difficult to pick them out.
ENGADGET: NOvA neutrino detector captures cosmic rays in 3D, aims to unlock the mysteries of the universe
Only instead of amplifying visible light, it amplifies photons in the X-ray spectrum.
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But for a short-lived event such as a gamma-ray burst it means that the same blast may become visible again in the future.
ECONOMIST: An illuminating burst