space cost curve

例句：

1. 1. The company's space cost curve is a crucial factor in its decision-making process.
   公司的空成本曲线是其决策过程中的关键因素。
2. 2. The engineer used the space cost curve to optimize the design of the spacecraft.
   工程师利用空间成本曲线优化了航天器的设计方案。
3. 3. The government has been studying the space cost curve to determine how much resources are needed for space exploration.
   政府一直在研究空间成本曲线，以确定进行太空探索所需的资源量。