annual zone〔名词〕年轮详细»
年轮annular ring详细»
年轮annual ring详细»
年轮annular ring详细»
年轮annual ring详细»
年轮annual growth;annual increment;annual ring;annual zone;growth ring;tree ring;year ring;yearly ring详细»
年轮annual growth;annual ring;growth ring;yearly ring详细»
年轮annual ring详细»