local group是什么意思

用法例句

In order to meet the requirement of high precision measuring device,guide stars are selected from high precision fundamental star catalogue.

在选用高精度基本星表的基础上,分析了导航星的选取方法及其分布特征。

Population dynamics of Asterionella japonica and its relationship with environmental factors in Daya Bay;

大亚湾日本星杆藻种群动态及其与环境因子的关系

Erythrotrichia biseriata,E.

incrassata,日本星丝藻E。