这种水晶蓝晶晶的,非常漂亮. This kind of shiny blue crystal is very beautiful.
以工业氧化铝 、 结合粘土 、 蓝晶石等为原料,应用聚苯乙烯球烧先注和可塑成形法研制成功了耐火隔热砖. The refractory insulating bricks were produced , taking alumina, soft clay, cyanite al as raw materials.
这样的双核体显然不能独立于单倍体阶段而存在.Such a dikaryon cannot apparently exist independently of the haploid phase.胚囊,普通具有8个遗传上相同的单倍体核.Embryo has most commonly eitht genetically identical haploid nuclei.它是单细胞真菌,有单倍体和二倍体两种存在形态.The fungus i...