The center of mass of a system is defined as follows: I have here some kind of an object not just a point mass, but it has a finite size.
系统的重心,是这样定义的：,我有一个物体,不是有棱角的物体，但它大小有限。
Most scientists think the moon was born when a huge object roaming the inner solar system - something about the size of Mars - smashed into the embryonic Earth.
大部分科学家认为月球在一块徘徊在太阳系内，大小几近火星的巨型物体撞击原始地球后产生。
The method of detection for certain size moving object is introduced on the basis of thermal sight system.
基于热像观瞄系统，根据观瞄的目的，介绍了一种具有一定大小的目标检测方法。
Shadow has great impact on visual tracking system, especially in some applications that need to measure the size of the object. It is a meaningful job to deal with shadow.
阴影对于视频跟踪系统是一种严重的干扰，尤其是在一些测定目标尺寸的应用中，因此对阴影处理的研究是一项很有意义的工作。
This model synthetically considers length and velocity of target object, line scanning rate of TDI CCD, magnifying power of imaging system, size of pixel, and so on.
该模型综合考虑了目标长度、目标运动速率、TDICCD行扫描速率、成像系统放大倍数、TDI CCD像元尺寸等因素。
This article 's research object is the middle-size soccer robot. It emphatically analyze and study the core system of robot - decision-making system.
本文的研究对象是中型组足球机器人，着重对机器人的核心系统—决策系统作了系统地分析和研究。
This article 's research object is the middle-size soccer robot. It emphatically analyze and study the core system of robot - decision-making system.
本文的研究对象是中型组足球机器人，着重对机器人的核心系统—决策系统作了系统地分析和研究。
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