A pet dog as industry is gradually formed breeding, scientific breeding, quality improvement, dog training, display competitions, dog food, dogs with, dog medicine, medical industry structure chain.
宠物犬作为产业正在逐渐形成良种繁育、科学饲养、品质改良、犬只的训练、展示比赛、犬粮、犬具、犬药、医疗的产业结构链。
So the important basis that the dissection structure of the poplar timber can be cultivated as the index, seed selection breeding and orientation of appraising the poplar material, quality.
因此杨树木材的解剖结构可以作为评价杨树材性、品质的指标和选种育种及定向培育的重要依据。
Based on the yield structure mode, the breeding goal and strategy of super wheat also were brought forward aiming at different ecotopes and physiological characteristics of wheat.
针对不同的生态区、不同的小麦生理习性从产量结构模式上提出了超级麦育种目标与策略。
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