The part of tenors should be determined by such factors as tone color, compass, tone change range, etc.

男高音声部的确定要综合音色、音域、换声区等诸多因素，尤其是戏剧型男高音的确认需谨慎鉴别。

youdao

In the above two cases, the model of syllable structure and the model of tone change are both particular.

两种情况音变过程中的音节结构模式和变调模式均非常特殊。

youdao

The paper describes two types of the lexical tone change and their functions of Yifeng dialect in Jiangxi province.

宜丰话词汇层面的声调有两种变异形式：表示小称的高升变调和表示名词属性的高平变调。

youdao

As Mr. Obama made his international debut on the world stage, an unmistakable change in tone and attitude emerged about how the United States will deal with the rest of the world.

VOA: standard.2009.04.03

Many Turks say they are still waiting to see to whether the Obama White House's change in tone will translate to a change in the U.S. government's deeply unpopular foreign policy in the Middle East.

CNN: Analysis: Does Obama diplomacy work?

So we have seen since the election a change in tone and, in some cases, a change in position from different Republicans, including elected Republicans, on the issue of, first revenue, and then acknowledging that rates have to go up.

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,

So my expectation is that Mr Grayling will perhaps change the tone of the ministry, but his options for a radical change in direction are extremely limited.

BBC: A tough job at Justice