联合国的一份报告说，要实现这一目标，就必须大力增加密集高效的畜牧业生产，以生产肉类和奶制品。
A United Nations report says reaching that goal will require major increases in intensive, high-efficiency livestock operations for both meat and dairy production.
80年代以来，畜牧业生产已远远超过谷物。
Since the 1980s livestock production has far outstripped that of cereals.
是指畜牧业生产中所需的各种机械。
It refers to various kinds of machinery needed in the production of animal husbandry.
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