Many natural fibers decay rapidly when exposed to aerobic cultures.许多天然纤维在需氧菌的侵袭下则迅速腐坏....the confluence of African and Portuguese cultures in Brazil.非洲文化与葡萄牙文化在巴西的汇合He talked of other cultures as if they were more famil...
Such cultures could give rise to vascular tissues, roots and shoot buds.这样的培养可能产生维管组织, 根和苗端芽.Many of the cells in such cultures have somewhat sculptured walls.在这样的培养中很多细胞具有多少呈花纹状的细胞壁.Many natural fibers decay rapidly whe...