类星体
A set of quasi-3D motion models are deduced by analyzing the actual 3D space motion rules of feature pixel point of motion object in an image sequence under restriction that the feature pixel point must be located in the image plane.
根据序列图像中的运动目标特征像点必须要满足在像平面里的约束条件,又要满足其空间三维运动规律,导出一套准三维运动模型。
The object of natural selection is the quasi-species, and the existence of the error threshold places a limit on the genome length that the organisms carry.
自然选择的目标是准物种,而误差阈的存在对生物体所能携带的基因组的长度施加了一个限制。
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