What made matters worse was that its proliferation coincided with sweeping changes in agriculture and a massive shift from sheep farming to dairying.
让事情更糟的是，它的肆虐生长正值当时农业的彻底改变及由牧羊业向乳品业的巨大转变之际。
It's difficult to make sheep farming pay here.
养羊业在这里难有收益。
This paper studied and discussed the marketing regulation system of sheep farming and spinning wool production by the system Dynamics with Grey system Method.
本文探讨了系统动力学与灰色系统方法在养羊业、毛纺工业市场调节系统中的应用。
This paper studied and discussed the marketing regulation system of sheep farming and spinning wool production by the system Dynamics with Grey system Method.
本文探讨了系统动力学与灰色系统方法在养羊业、毛纺工业市场调节系统中的应用。
应用推荐