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赫罗图上大多数恒星密集在由左上方(高温、强光度)至右下方(低温、弱光度)、沿稍微弯曲的对角线的狭窄带区内,形成一个明显的序列。又称主序。
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feedable natural plant feed
feed acidifier
feed additive
feed additive premix
feed additives
Feed and Feed Additives Regulations
feed antibiotic growth promoter
feed antigen allergic reaction
feed antinutritional factors
feed antioxidant
feedback
feedback ability
feedback adjustment
feedback amplifier
feedback-based flow control
feedback bridging fault
feedback channel
feedback circuit
feedback control
feedback controller
feedback control system
feedback control systems
feedback control technology of electric drive system
feedback decoding
feedback factor
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