The mechanism of this anomalous vascular response is unknown.此种不规则的血管反应的机制尚不清楚.Male - sterility mainly results from the abnormality of mesospore, tapetum tissue and vascular bundle.中层组织 、 绒毡层组织及药隔维管束异常均是雄性败育的因素.Objective...
The next prime minister could abrogate the treaty.下一任首相可能会废除这个条约。When can we abrogate the national boundaries all over the world?我要向全球发问,什么时候可以在全球取消国界?A later stature may abrogate an earlier law with which it conflicts.新...