Instrumentation for the Earth System observation and modeling also need to be reinforced. 同时,还需要加强地球系统观测和模拟的平台建设。
Systematic anatomical and histological observation were made of development of the ovary, both in the foetal and post-natal stages, of the Hulambs. 本试验对湖羊胎儿期与生后期卵巢的发育进行了系统观测。