1) conjugate point couple
共轭点对
2) symmetric conjugate points
对称共轭点
3) conjugate points
共轭点
1.
It is shown that the proper acceleration of null geodesic with conjugate points approaches infinity.
具有共轭点的类光测地线的固有加速度趋于无穷大 。
2.
The authors discuss the geometric properties of a K(hler manifold without conjugate points, prove that the curvature of the canonical bundle must be zero provided that the Ricci curvature of the manifolds is nonnegative.
讨论了Riemann流形上指标形式与共轭点的关系;证明了具非负Ricci曲率的无共轭点Kshler流形上的典型线丛之曲率为零。
4) conjugate point
共轭点
1.
The conjugate points in a rigid rod and their dynamic properties are derived from the problem of a rigid rod hit by a bullet.
从子弹射杆问题引出刚性细杆上的共轭点及其动力学性质,给出共轭点应用的几个例子,指出可以将共轭点的概念推广到刚性薄片和一般刚体情形。
2.
The circular symmetric point and the apalanatic point of spherical lens have one same expression,however the two kinds conjugate point are belong to difference category.
圆周的对称点与球透镜的齐明点虽然有一个相同的表达式,但这两类不同范畴的共轭点有着内在的差异,分析这种差异,有利于更好地理解它们。
3.
The paper discusses the existence and geometric properties of conjugate points of the geodesics in a complete Riemannian manifold,and proves that for a complete geodesic γ:(-∞,+∞)→M,if k(∧v)≥0,then γ is a geodesic without conjugate points if and only if k(∧v)=0.
讨论了完备R iem ann流形上测地线上的共轭点的存在性与几何性质,证明了截面。
6) harmonic conjugate
低共轭点
补充资料:点对点法
分子式:
CAS号:
性质:发射光谱分析中,将金属试样制成两个锥体状电极,分别作为光源的上下电极,彼此相对以电弧或火花法进行激发摄谱。该法因无辅助电极,所摄光谱中可无其伴存谱线。
CAS号:
性质:发射光谱分析中,将金属试样制成两个锥体状电极,分别作为光源的上下电极,彼此相对以电弧或火花法进行激发摄谱。该法因无辅助电极,所摄光谱中可无其伴存谱线。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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