覆盖在促面内质网上的黑点为核糖体，与特殊颗粒肝糖元比较较小，密度相似，排列分散不规律。
The small dots encrusting the rough er are ribosomes; compare their size with the particles of glycogen, shown as black, irregular clusters.
方法：采用透射电镜拍照及观察，高清晰彩色图像分析系统对照片的心房肌细胞特殊颗粒的体密度、数密度及颗粒平均直径进行数据处理等研究方法。
METHODS By using transmission electron, image-manipulation system techniques, the volume density, mean diameter of the granules and numerical density of the atrial specific granules were studied.
在分析这些岩芯时，他们发现冲击石英颗粒———带有特殊排列的微裂缝的薄片，科学家认为他们是外层空间来的物体与地球碰撞留下来的遗迹。
When they analyzed these rocks, they foundshockedquartz grains—slivers with a particular arrangement of micro cracks believed to represent the relic left by an extraterrestrial impact.
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