precomputed standard trajectory

例句：

1. 1. The engineer had to precomputethe solution for the project before starting work.
   工程师在开始工作前必须为项目预先计算解决方案。
2. 2. The computer program was precomputed to save time during the calculationprocess.
   计算机程序被预先计算，以节省计算过程中的时间。
3. 3. The math problem requireda precomputed table of values tosolve it quickly.
   这个数学问题需要预先计算的值表来快速解决。