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频率计

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Chinese academia mainly used aggregate accruals models and frequency distribution approach to study the issue of earnings management .

国内目前主要运用总体应计模型和频率分布方法进行盈余管理研究。

It also can realize asynchronous serial communications with the computer which connects with it to make up network to show the computer and network's advantageous lightly and improve its intelegence.

ADE7755引脚F1和F2一较低频率形式输出有功功率平均值,能直接驱动机电式计度器。引脚CF以较高频率形式输出有功功率的瞬时值,用于校验。

Methods Pure tone audiometry,SISI,ABLB and white-noise masking effect(Langenbeck's methods) audiometries were performed in 30 patients (44 ears) with sensorineural hearing loss with BOSCH audiometer made in Germany.

用德国产BOSCH听力计对30例(44耳)感音神经性听力损失患者作纯音测试和阈上测听(包括Langenbeck,SISI和ABLB试验),比较三种试验相对于三种听力曲线及1,2和4 kHz三频率的阳性结果。

The high frequencies which was more than 8 kHz was not the routine test range for the pure-tone audiometry.

临床常用的听力评价方法为纯音听力计测试,其测试的频率为0.125~8 kHz,8 kHz以上的各高频频率为非常规纯音测听测试范围。

The high frequency of BLAD carrier farms indicated continuous selection of TL bull and semen for breeding DHI cows is important.

高频率的BLAD杂合型提醒DHI计画需持续宣导公牛与精液的筛选,总乳检测方法可以监控牛群遗传动态与降低检测成本。

The paper introduces a kind of acoustics principle,and a new method which measuring resonance frequency of the circular saw blades by means of a sound level meter,inorder to provide the reference of testing resonance frequency parameter for all kinds of woodworking cutting tools.

介绍了一种利用声学原理,采用声级计为传感器的木工圆锯片固有频率测量的新方法,以期为各类木工刀具的固有频率参数测试提供借鉴。

The paper introduces a kind of acoustics principle,and a new method which measuring resonance frequency of the circular saw blade s by means of a sound level meter,inorder to provide the reference of testing resonance frequency parameter for all kinds of woodworking cutting tools.

介绍了一种利用声学原理,采用声级计为传感器的木工圆锯片固有频率测量的新方法,以期为各类木工刀具的固有频率参数测试提供借鉴。

If the time constant of integration circuit is properly set to improve high frequency restrain ratio to get accurate differential frequency signal.

在很多应用到频率差进行控制、处理的场合,若根据频率差计的原理,将其直接设计到一体化电路中

Taking the high precision on chip RTC as the time base control unit and using genetic algorithms to search the best OSCCAL register value, it will make the on chip RC oscillator generate a high precision clock for the MCU. This methord can be used fast and real time, so the CPU will get a stable clock source.

以AVR片内高精度时钟单元RTC为时基控制单元,以标准时间内MCU定时器的计数值为控制目标,采用遗传控制策略搜索对应MCU理想时钟频率的OSCCAL寄存器最佳设置值,快速、准确地对RC振荡频率进行校准,为CPU提供具有高抗干扰特性的精确时钟。

Each House Detective installation kit comes with three primary test instruments; a frequency agile signal level meter, a frequency agile radio frequency leakage detector, and a zero foot dead zone time-domain reflectometer; all three housed together in a durable hard case.

每家侦探安装套件具有三个主要的测试仪器,一个频率捷变信号电平表,一个频率捷变射频泄漏探测器和一个零脚死区时域反射计;所有三个关在同一个持久的疑难案件。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。