ortho-para ratio

例句：

1. 1. The engineer used the ortho-para ratio to optimize the design.
   工程师利用正交比优化了设计。
2. 2. In physics, the ortho-para ratio is a measure of how much energy is lost in a process.
   在物理学中，正交比是衡量一个过程中能量损失的指标。
3. 3. The team used the ortho-para ratio to calculate the optimal parameters for their experiment.
   团队利用正交比计算了实验的最佳参数。