race formation

基本解釋

The insects are more likely to switch to plants with similar plant chemicals to their native host plants, in the forms of host shift, host expansion and host race formation.
有關(guān)食性分化方向的觀點(diǎn)傾向于寄主植物轉(zhuǎn)向化學(xué)物質(zhì)相似的植物，表現(xiàn)為寄主轉(zhuǎn)移、寄主擴(kuò)張和形成寄主型等；
www.insect.org.cn
Experience half several century, now tradition of with foreignly combine already compare moderate, permeate fusion mutually, gradual formation new of race vocal music system.
經(jīng)歷了半個多世紀(jì)，如今傳統(tǒng)的與外來的結(jié)合已較協(xié)調(diào)，相互滲透融合，逐漸形成新的民族聲樂體系。
blog.sina.com.cn
The conventional forms of containment action against the rising hegemonic power, like the arms race and the formation of military alliance, do not appear noticeably in the post-Cold War era.
冷戰(zhàn)后制衡美國的傳統(tǒng)均勢行動，如軍備競賽與大國同盟并沒有明顯出現(xiàn)，這是因?yàn)榫鶆莸纳蓹C(jī)制與表現(xiàn)方式發(fā)生變化。