这些次级放射线的强度跟原始x射线相比较弱，而且其中的一部分可能留在了那种物质中。
The intensity of the secondary radiations is weak compared with the intensity of the primary X-ray beam, and some of it, too, may not escape from the material.
维管形成层属于侧生分生组织，包括能够产生次生木质部与次生韧皮部的纺锤状形成层原始细胞和产生髓射线的射线原始细胞。
It is a lateral meristem and contains fusiform initials giving rise to secondary xylem and phloem and ray initials giving rise to medullary rays. See also secondary growth.
基于微动损伤表面和截面扫描电子显微分析以及涂层原始表面和微动磨损表面X射线衍射分析，探讨了几种涂层的微动损伤机理。
Moreover, the original surfaces and the fretted surfaces and cross-sections of the coatings were analyzed by means of scanning electron microscopy and X-ray diffraction.
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