Based on the coupled dynamic model for the spatial rotation and elastic vibration of a body, the resonance unstability of projectiles in flight is studied in the paper.
从弹箭空间摆动和弹性振动耦合的动力学模型出发，对弹箭飞行过程中的共振不稳定性问题进行了研究。
But in "mental rotation," spatial perception, "and" spatial visualization "the advantage goes to men."
但男性在“心理旋转”，“空间感”和“空间形象化”上更具优势。
The rotation matrix can be linearly acquired by using only 4 vanishing points and the translation vector can be linearly solved by using only 2 spatial point objects.
该方法仅需4对消隐点象面坐标便可线性求解出旋转矩阵，再用2个空间点坐标便可线性求解出平移矢量。
This study focused on the influences of spatial reference frames and the choice of characters on mental rotation.
本研究主要探讨空间参照体系和角色选择对心理旋转的影响。
The feasibility of an advanced rotation installation method applied to spatial structures is studied in the paper.
本文研究一种先进的结构安装法——旋转法在空间结构安装中运用的可行性。
Mental Rotation not only has important theoretical significance on the understanding of human spatial cognition, but also has important application value.
心理旋转方向的研究对理解人类空间认知方面不仅具有重要的理论意义，而且具有重要的应用价值。
In order to represent the spatial distribution information of image, a disorder matrix, which has the invariance to the rotation and translation of the image content, has been designed.
为了表示的图像的空间分布信息，一种疾病的矩阵，其具有的图像内容的旋转和平移的不变性，已被设计。
And the image feature descriptor has a rotation, translation, scaling invariance, etc. it can be a very good to describe the shape and spatial distribution of information.
且获得的图像特征描述符具有旋转、平移、尺度不变性等优点，能够很好地描述图像的形状和空间分布信息。
By calculating spatial beeline coordinate information in the two camera coordinate systems, the rotation matrix between two cameras could be obtained.
计算空间直线在两摄像机坐标系中的位置信息，得出两摄像机间的旋转矩阵。
Image scan the specific weight have biggest, next is image rotation and coordinate spatial relation, the specific weight that category spatial relation have is light most.
表象扫描所占比重最大，其次是表象旋转和数量空间关系，类别空间关系所占比重最轻。
The mental rotation tests were used widely in fields of clinical medicine, personnel assessment and so on as tools to diagnosing human beings' spatial abilities.
心理旋转测验已作为一种诊断空间认知能力的技术广泛地应用于临床、人员选拔等领域。
Rotation angle symbol method to identify circuit and branch of spherical four bar is presented in this paper. Finally, the method about application to spatial first group mechanism is elaborated.
最后由空间第一类机构与球面四杆机构的等效性，阐述了将此识别方法应用于第一组空间机构的方法。
Mental rotation is both an ability of imagining rotation of self or the object in the field of spatial representation transformation and an important means to evaluate spatial intelligence.
心理旋转是一种想象自我或客体旋转的空间表征动力转换能力，也是一种评定空间智能的重要标尺。
The results indicated that the individuation inhibited the behavioral effect of female-spatial ability negative stereotype activation in the mental rotation task at both implicit and explicit level.
实验结果表明个体化变量在内隐和外显两个水平都对女性-空间能力的消极自我刻板印象的激活在完成心理旋转任务上的消极影响产生了抑制作用。
The results indicated that the individuation inhibited the behavioral effect of female-spatial ability negative stereotype activation in the mental rotation task at both implicit and explicit level.
实验结果表明个体化变量在内隐和外显两个水平都对女性-空间能力的消极自我刻板印象的激活在完成心理旋转任务上的消极影响产生了抑制作用。
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