1.The cost estimating of space equipment procurement is a significant com- ponent part of the procurement and management of space equipment.
航天装备采购费用估算是航天装备采购管理工作的重要组成部分。
2.Biological Approaches of Increasing Productivity of the Effective Com ponent of Antibiotics
提高抗生素有效组分产量的生物学方法