The optimization performance index is to maximize the orbital plane change, and the optimal lift and bank control law are obtained.

以目标轨道面倾角最大为优化性能指标，获得了升力和滚转角的最优控制规律。

youdao

While Knuth has justly warned that "premature optimization is the root of all evil," the whole point of an index is to find information fast, so this column addresses performance issues as well.

尽管Knuth曾经忠告我们：“不成熟的优化是问题的根源”，但索引的目的在于快速地找到信息，因此本专栏同时也将讨论性能问题。

youdao

During the data store process, index optimization makes XMAS have good performance on data retrieval.

在数据存储过程中的索引优化使得XMAS在数据查询上具有良好的性能。

youdao