approximate speed meaning in English
近似速率
Examples
- However , often during the takeoffs and landings , an aircraft is operating at approximate speeds of 150 mph or less
然而通常在起降过程中，飞机的飞行速度不会超过150英里每小时。 - In twt , rf field extracts energy from the electron beam . the electron beam must interact with the traveling wave field at the approximate speed , so that the electronic efficiency is much lower
在行波管中,电子交给高频场动能,而电子注与行波场的相互作用又要求维持同步条件,因而电子的效率比较低。