By the use of X rays, doctors can see within the body.
医生用X可以看到人体内部。
By the use of X rays, doctors can see within the body.
医生用X可以看到人体内部。
The reemission delay times of Au disk vs X rays photon energy were given and compared with recent experimental results.
在各种因素的影响下, X各能区再发射的延迟时间的变化趋势与实验结果一致的。
Research on the failure reasons of the cooling tube were carried out by means of macroexamination, thickness measurement, X ray diffraction, optical microscopy and chemical analysis.
采用、分析、化学成分分析等手段,对冷却水管的腐蚀穿孔进行了失效分析。
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