Oberth effect

短语

词形变化

Oberth effects 复数

释义与例句

n.
  1. 1.

    The concept that the most efficient place for spacecraft to change velocity is at the periapsis (the lowest point of an orbit).

    航空 商务 工程

词源

Named after the physicist Hermann Oberth, who described the concept in 1927.

来源：wiktionary