instantaneous return time

例句：

1. 1.The company's website provides a detailed explanation of the product's features and specifications.
   公司的网站详细解释了产品的特性和规格。
2. 2.Due to the sudden drop in demand, the price of the stock has fallen significantly.
   由于需求的突然下降，股价已经大幅下跌。
3. 3.The engineer made an instantaneous return time calculation for the project.
   工程师为该项目进行了瞬时返回时间计算。