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轨道坐标系统
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轨道坐标系统
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Orbit coordinate system
轨道坐标系统
以地球质心为原点,Z轴指向瞬时天极方向,X轴指向历元时刻的平春分点在瞬时赤道面上的投影方向(实为瞬时真赤道上的某一个假想的春分点),Y轴与X轴和Z轴正交,从而构成的右手笛卡儿直角天球坐标系。
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incidence
incidence algebra
incidence angle
incidence axiom
incidence axioms
incidence calculus
incidence coefficient
incidence condition
incidence correspondence
incidence curve
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incidence formula
incidence geometry
incidence graph
incidence group
incidence mapping
incidence matrix
incidence matrix of a block design
incidence matrix of a graph
incidence number
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incidence-preserving map
incidence-preserving mapping
incidence rate
incidence rate of cancer
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