英语词汇direct ray怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	direct ray
释义	direct ray 美/ d??rekt re?; da??rekt re? / 简明释义直接射线：指直接从光源射出的光线。原射线：指从物体上反射或折射出来的光线。网络释义 1 ?直接射线直接 Rambus 动态随机存取内存 direct Rambus dynamic random access memory 直接射线 direct ray 写后直接读出 direct read after write .. 2 [物]?直接辐射波 ... 直接反射 direct reflection 直接辐射波 direct ray 直接压电现象 direct piezoelectricity ... 短语 1 The direct ray 防直击雷 2 direct ray theory 直射线理论 3 direct dig-ital X-ray imaging 线成像系统 ; 直接数字X线成像系统双语例句 1 In this paper, three-dimensional seismic data field of direct volume rendering-Ray Casting Algorithm is mainly studied. 本文主要研究三维地震数据场的直接体绘制方法——光线投射算法。 2 Nanocrystalline nickel was synthesized by direct current electrodeposition. The microstructure of nanocrystalline nickel was studied by TEM and X-ray diffraction. 采用直流电沉积法制备了纳米晶体镍，用TEM和X -射线衍射等方法研究镀镍层的微观结构。 3 Results The main portal vein appearance was accordant with 3d ce MRP and direct X-ray portography in all cases. 结果3d CE MRP和直接门静脉造影显示门静脉主干的结果完全一致。
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