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phase of light
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phase of light
Encyclopedia
理学
〔光的一般性质〕
释
phase of light
光的相位
相位是描述周期性波动的物理量,它标示了某时刻处于波动周期中的位点。光的电磁理论中光作为电磁波具有相位。
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grassland civilization
grassland classification
grassland classification in China
grassland classification in the Soviet Union
grassland class map
grassland climate disaster
grassland community structure
grassland degradation
grassland degradation and restoration mechanism and grassland health evaluation in northern China
grassland degradation in China
grassland desertification
grassland disasters
grassland dung spot
Grassland Eco-chemistry
grassland ecological civilization
grassland ecological-economic regions in China
grassland ecological risk
grassland ecological security
grassland ecological subsidy policy
grassland ecological threshold
grassland ecological value accounting
grassland ecological water requirement
grassland ecosystem
grassland ecosystem services
grassland ecotourism
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