查询词典 porphyroblast

Partially replaced by very fine symplectites of Amp + Pl ; e —Sample ZM651 , garnet porphyroblast with large amounts of inclusions

射电子图像； d —样品ZM641 ，绿辉石边部具有细粒的角闪石+斜长石后成合晶； e —样品ZM651 ，石榴石变斑晶核部

Then a complete porphyroblast was formed.

初期石榴石、十字石等呈细片状绿泥石、云母等假象，它们组成多结晶中心的网状集合体，接着进一步聚合生长，逐渐连成一片，成为变斑晶的骸晶，然后形成完整的统一的变斑晶，再在此基础上层圈式增生。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。