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变化频率
1、frequency modulation───调频
2、cumulative frequency───[统计]累积频率，[电子]累积频数
3、change───v.改变，转变，（使）不同；（使）变换；替代，更换；交换；货币兑换；将……换成零钱；退还；n.变化，改变；替代物；换洗衣物；零钱，硬币；换乘；全新体验；新月相的出现
4、frequency polygon───[统计]频数多边形
5、frequency range───频带; 频段；[电子][通信]频率范围
6、frequency equation───频率方程
7、frequency───n.频率；频繁
8、cutoff frequency───截止频率
9、frequency generator───[计]频率发生器
1、Based the theory of division phase flow and distributing parameter, the evaporate model of change frequency air-condition is established.───建立了基于分相流理论、分布参数的变频空调蒸发器模型，应用质量引导法对差分方程进行求解。
2、Self-Adaptive Estimation of View Change Frequency in Web Warehouses───Web仓储中视图变化频率的自适应估测
3、Results The dressing change frequency, healing time and treatment effect in two groups were significantly different(P01).───结果换药次数、愈合时间及治疗效果，两组明显优于对照组，差异有统计学意义 (P)。
4、Tooling; Life span; Change frequency;───刀具； 寿命； 更换频率；
5、PWM testing procedures after running through control of the Super Terminal can change frequency audible and change.───PWM测试程序，运行后通过控制超级终端可以改变频率值及改变发声。
6、In the case when rules define the execution of business process itself, it is necessary to consider their complexity and change frequency.───在规则定义业务流程本身的执行的情况下，必需考虑它们的复杂性和变化的频繁度。
7、Application of change-frequency velocity modulator in the mine fan───变频调速器在通风机中的应用
8、Most sitemap creators are web-based, and they request the URL of the website along with a few parameters such as change frequency and last modification date.───大多数站点地图创建器是基于web的，它们利用一些参数(比如说更改频率和最新修改日期)请求web站点的URL。
1、Most sitemap creators are web-based, and they request the URL of the website along with a few parameters such as change frequency and last modification date.
2、Optionally, you can list additional information for each URL, including its last modification date, its change frequency, an expiration date, and a priority value.
3、Through the increase simulation quantity output unit, causing change frequency on the touching screen, with reducing downtime of equipment, saving the cost of maintenance and spare parts.