平面域的英文

plane domain

• 平面:    plane; two dimensi ...
• 域:    land within certai ...
• 面域:    region

例句与用法

1. The creation of the concept of the definite integral was motivated by the problem of calculating the areas of certain plane regions .
   定积分概念的产生是由求一个平面域的面积问题而导致的。
2. " modulation domain " ( mod ) is a plane domain which is consisted of frequency and time of signals . it is a necessary field to measure signals in three - dimension space of signal ( time domain , frequency domain and modulation domain )
   调制域是由信号的时间和频率两个轴构成的平面域，是对信号进行三维(时域、频域、调制域)测量不可缺少的一个测试域。