The former Yugoslavia once held the balance of power in the Balkans.前南斯拉夫在巴尔干半岛各国间曾处于举足轻重的地位.Rival claims to Macedonian territory caused conflict in the Balkans.多方主张拥有对马其顿的领土主权，结果在巴尔干地区引发了冲突。By c . 1200 BC, they had cros...
Some aspects of nurse cultures by virtue of the protoplast culture of foxtail millet were studied.研究了谷子原生质体看护培养中的一些问题....massive terraces of maize and millet carved into the mountainside like giant steps.山坡上开垦出的像巨型台阶一样的大...