图为欧洲核子研究中心的Alice探测器记录下的当 核子对 在中心物质能量为2.76电子伏下的首次铅离子碰撞试验
Events recorded by the ALICE experiment from the first lead ion collisions at a centre-of-mass energy of 2.76 TeV per nucleon pair. (CERN LHC Alice Detector)
安全槽最早由NASA的Langely研发中心于1960年代进行试验，最初它的目的是改善航天器窄潮湿路面降落时的安全性。
Safety grooving was first experimented with at NASA's Langely Research Center in the 1960s as a way to improve safety for aircraft taking off on wet runways.
产品全部通过国家变压器质量监督检验中心的例行试验、型式试验和特殊试验。
All products have passed the regular test, type test and special test hold by the national transformer quality inspection and testing center.
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