In addition, the variation of pitch had some effect on the image noise.
此外，当螺距改变时，图像噪声亦呈现出规律性的变化。
2
In Chinese, lexical tones and intonation both depend on the variation of pitch.
在汉语中，声调和语调均依赖于音高的变化。
3
In the words flow, the reading intonation, which is related to tone, degree, stop and linking, speed and other factors, is the general pattern of the pitchvariation.