frequency curve

The patients' sound intensity and frequency curve of articulation can be compared with standard of them.

并可将患者的发音声强、频率曲线与原有的标准曲线对比，通过视觉反馈纠正发音。

The lack of earthquake curve and frequency curve all showed low value anomalies.

北京地区缺震曲线、频度曲线都出现低值异常。

The frequency computation by two-end limited lognormal distribution and generalized exponential distribution as the type of frequency curve is presented in the paper.

提出了用两端有限对数正态分布和广义指数分布作为频率曲线线型进行计算，可避免用Γ分布适线欠佳的缺点。

Methods Using copper-constantan thermocouple as the temperature sensor, the change of the temperature on the respiratory tract vent can be transformed into voltage signals. By means of the treatment of amplifier the breath frequency curve of infant can be recorded.

方法采用铜-康铜热电偶温度传感器，利用呼吸气流对传感器温度的改变，将温度变化转换为电压信号，经放大处理，获得呼吸频率曲线。