frequency的例句大全

TDZ is the first choice hormone to establish the high frequency regeneration system of strawberry;

建立草莓高频再生体系，TDZ是首选激素；某种激素随其组合激素不同而发挥功效不同；

The formation of free radicals OH and H in a naturally air-saturated aqueous solution exposed to therapeutic CW ultrasound at the frequency of 820 kHz has been confirmed by using spin trapping 5, 5-dimethyl-1-pyrroline-1-oxide ( DMPO) and electron spin resonance ( ESR) technique.

本文利用5,5-dimethy1-1-purrolinel-oxide（DMPO）自旋捕集剂及电子自旋共振（ESR）技术研究证明，理疗级超声辐照可在自然空气饱和的水溶液中导致OH及H自由基的形成。

ACFO Position Sensor-Less Variable Frequency Air-Conditioner Controlling System

ACFO无位置传感器变频空调控制系统

Group D, high frequency jet ventilation ( HFJV). Artery and vein blood gas analyses were made after TLV 30 min and OLV 30 min, and the shunt fraction Qs/ Qt calculated as well.

D组，用高频喷射通气（HFJV），并在双肺通气和单肺通气各30min后取动静脉血作血气分析并计算分流率（Qs/Qt）。

The development of TKR series high frequency ventilators

TKR系列呼吸机的研制及物理特点

The Application of Digital Low-frequency Power Supply in TKD-A Electrical Control System

数字低频电源在TKD-A电控系统中的应用

Investigating the Gap Frequency of a Maize Canopy Using Night TIR Data

利用夜间热红外数据求取玉米冠层孔隙率

A 946 nm Nd: YAG laser pumped by a laser diode was obtained using four mirrors ring resonator. the laser was single-frequency operated by using a TGG and a half-wave plate acted as optical diode in the cavity.

用激光二极管（LD）抽运Nd：YAG晶体，采用四镜环行腔，腔内放置TGG晶体和λ/2波片，组成光学单向器，利用LBO晶体内腔倍频技术，实现单频946nm红外光和473nm蓝光输出。

The influence of Tgd factor is illuminated through the theory of establishing the VTEC model above pierce point by dual-frequency observation, its magnitude using practical datas is analyzed.

针对一类具体的应用，利用测量数据间的时域相关性分析了信息精确度与观测频率以及能耗与观测频率的关系，构建了信息精确度与能耗的关系模型。

The paper presents a novel ultra-audio frequency ( UAF) induction welding power based on ZCS-PWM ( Zero Current Switching-Pulse Width Modulation) technology.

介绍一种基于ZCS-PWM（零电流开关-脉宽调制）技术的新型超音频感应焊接电源。

By using interferometry telescope, higher frequency information corresponding to the longest baseline can be obtained; however, the U-V plane is just partially covered.

利用天文光学干涉仪成像，可以获取最长基线对应的高频率信息，但往往只能获得部分频域覆盖。

Starting from this concept, the switched capacitor-FDNR ( frequency dependent negative resistor) circuits of three kinds of S/ Z transformation ( i.e. forward differential SfZ transformation, backward differential S/ Z transformation, bilinear S/ Z transformation) are respectively deduced.

由此概念出发，分别导出了前差FD，后差BD和双线性S/Z变换的三种接地开关电容频变负阻SC-FDNR电路。

An Analysis of the TOSHIBA Graphic Solution to the High Frequency Tube Amplifier

电子管高频功率放大器东芝图表算法分析

A new adaptive kernel function, named the radial parabola kernel ( RPK), is proposed, the RPK can adopt the optimizing method to filter cross-terms adaptively according to the signal distribution, obtain good time-frequency resolution, and offers improved TFD for a large class of signals.

该核函数可根据被分析信号的不同特性，采用优化方法自适应对模糊函数进行低通滤波，最大程度地滤除交叉干扰项，提高时频分辨率，具有对信号的广泛自适应性。

The result showed that the analyzer has wide input frequency range, narrow RBW ( Resolution Bandwidth) and high scanning accuracy, and it reaches the international advanced level.

测试结果表明所设计的分析仪输入频带宽、频率分辨力和扫频准确度高，达到国际同类产品先进水平。

The research confirms the QWL evaluation indicator system, using the literature frequency statistics method. 3.

运用文献频率统计的方法确定QWL评价指标体系。

A reduced-order model and a full-order circuit model for frequency modulation ( FM) quasi-resonant converters ( QRC) are introduced.

提出了调频准谐振变换器的降阶及全阶模型（第七章）。

With assuming the electron density distribution to be the Qps model, this paper developes the delay-frequency relation of single model.

本文假定电离层电子浓度服从准抛物分布，从理论上建立了单一层模的时延频率关系。

The theory of Quasi-periodic Oscillation ( QPO) in Low-mass X-ray Binaries ( LMXB) is discussed in this paper. Beat-Frequency Models ( BFM), including development, are presented in detail.

本文简略地叙述了低质量X射线双星中准周期振荡（QPO）现象的理论解释，对其中的差频模型（BFM）和它的一些发展作了较为详细的介绍。

Due to the waves emitted by perturbed black holes there are no normal mode oscillations but instead of quasi-normal mode ( QNM) frequencies, with the real part representing the actual frequency of the oscillation and the imaginary part representing the damping.

由于波被扰动黑洞散射，使得不存在正规模振荡方式，取而代之的是似正规模，其频率的实数部分表示振荡的频率，虚数部分表示衰减的快慢。