Over and over again, they were asked to tell the difference between the 1,000 Hertz tone and a lower tone but showed no improvement.
经过很多次培训后，在被要求区分1000赫兹标准音与某较低音之间的差别时他们毫无进步。
"One skin cycle takes 30 days (for new cells to reach the top layer of skin), so in order to see a real difference in texture, tone, and clarity, you need to use it for more than a month," she says.
因为一次皮肤循环，也就是新细胞抵达皮肤表层的时间，需要30天左右，所以要想看到肤质、光泽度和清透度明显改观，应该坚持使用新品至少一个月。
Maybe it’s an American personal space thing, but it’s always been an issue for me and having everyone in tight truly makes a difference in the tone of the picture.
或许是美国人的个人空间观念吧，不过这对我来讲始终是个问题，让大家靠近确实能大大改善照片的整体味道。
In a mandarin tone recognition system, the parameter is usually pitch contour. But the tone can also be partly characterized by pitch difference, energy and energy difference.
普通话声调识别参数除常用的基音轮廓外，基音的一阶差分、能量及能量的一阶差分等也具一定的声调特征。
The fourth chapter analyses the difference of Hunan mandarin in terms of initial, final, tone.
第四章从声母、韵母、声调三方面分析湖南省西南官话语音的差异。
The second chapter analyses the inside consistency and difference of Taoyuan southwest mandarin in terms of initial, final, tone.
第二章从声母、韵母、声调三方面分析桃源西南官话内部的一致性与差异性。
Objective To investigate the difference and relationship between auditory steady-state evoked response(ASSR threshold), auditory brain stem response(ABR threshold) and pure tone threshold.
目的研究听觉稳态诱发反应（ASSR）和听性脑干反应（ABR）阈与纯音听阈的差别和相关性。
The input vector is processed by means of mean difference to improve speaker-independent tone and speed up NN training.
通过对网络输入矢量进行均值差处理，改善了非特定识别的效率，并且加速了网络训练的进程。
And then watch what happens to the prose style and the difference in tone: I find it most difficult to express with adequate force that flash, that shiver, that impact of passionate recognition.
然后看看那些散文风格，及语调发生的改变：，我发现要恰如其份地表现一刹那的那种颤栗，那种动了感情发现的碰撞，真是最为困难。
The third chapter analyses the inside consistency and difference of Xiangbei mandarin in terms of initial, final, tone.
第三章从声母、韵母、声调三方面分析湘北官话内部的异同。
Result: (1) There was no obvious difference in tone expression between Pu Tong Hua and Cantonese patients (P>0. 05);
结果：（1）普通话与粤语的声调表达正确率相应组别比较无差别（P＞0.05）。
The difference between these three techniques is the different ways of the tone and mood correspond…
三种呼应的区别在于呼应中声气感应的方法不同。
The difference between these three techniques is the different ways of the tone and mood correspond…
三种呼应的区别在于呼应中声气感应的方法不同。
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