He houses the fish in black cattle troughs, which have proved to be sturdy and nontoxic.
他将鱼养在黑色的牛槽内，这些牛槽已证明耐用且无毒。
The systematic mineralogical studies are worked on the yellow and black cattle-egg stone samples from Shoushan rivulet of Fujian Province.
对采自福建省寿山溪流域的黄色和黑色牛蛋石样品进行了系统的矿物学研究。
The sequences of MC1R gene of Chinese Holstein Cattle, Luxi Yellow Cattle and Bohai Black Cattle were cloned and sequenced in this experiment.
本实验克隆测序了中国荷斯坦牛、鲁西黄牛和渤海黑牛三个品种的MC1R基因。
It was important to select replacement bulls of 18-month-old based on their growth and development and progeny testing in bo-hai Black Cattle.
根据生长发育和后裔性能测定选择18月龄后备种牛是渤海黑牛选择的重点。
It was important to select replacement bulls of 18-month-old based on their growth and development and progeny testing in bo-hai Black Cattle.
根据生长发育和后裔性能测定选择18月龄后备种牛是渤海黑牛选择的重点。
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