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Semiconductor laser with characteristics of narrow line width、tunableness andstable frequency is the necessary source of WDM、DWDM and coherent lightcommunication, it is also widely used in high frequency laser spectrum、detectionand measurement、fiber sensor etc.

窄线宽、可调谐、频率稳定的外腔半导体激光器是波分复用系统、相干光通信技术必须的光源,在高分辨率激光光谱、检测计量和光纤传感等领域均有重要的意义及广泛的应用前景。

The quality number 66 sheep wool and the first grade cashmere were tested and analyzed using the scanning electron microscope,and the probability distribution of the diameter,the surface scale height and the surface thickness of the sheep wool and the cashmere underfur were obtained.Then the error identification probability of these three parameters were calculated.

利用扫描电镜法测试分析66S的绵羊毛与一级除毛山羊绒,得到了以直径、表面鳞片高以及表面鳞片厚为指标的绵羊毛与山羊绒各自的频率分布,并计算出以这3个指标为判定依据的独立误判概率。

Generally people are pissed off due to the SMS scams and then this can be terrible if your posting frequency is very high.

一般人pissed发生过因短信诈骗,然后这可以可怕的,如果你的帖子的频率是非常高的。

In addition to the above-mentioned specific services to specific product name, Web site should also be a registered trade name of the most commonly used, the simplest being the name of the search frequency is very high.

除了上面所提到的具体产品具体服务名称,网站还应该注册一个行业中最常用的名称,最简单名称的被搜索频率是很高的。

Eve carries the frequency of the goddess - creatrix on Earth - the high priestess - the source of creation.

夏娃运载着女神的频率——地球的女创造者——至高的女祭司——创造的泉源。

The cylindricity could be calculated by least squares method and wavelet error separation method that the measurement error could be decomposed by Harmonic analysis algorithm based on wavelet theory.

针对激光 CCD 灵敏度高,干扰噪声容易混入测量数据中的问题,提出了一种基于小波分析的误差分离方法,即运用谐波分析的思想方法和小波理论中多频率分析算法进行误差分离,误差分离后的数据用最小二乘法处理求出圆柱度。

With the electronic technology is developing fantasticly fast,the the request for higher performance frequency synthesizer is put forward.

随着现代通信、雷达、电子侦察和对抗技术的飞速发展,对作为核心部件的频率合成器的性能指标提出了更高的要求。

Therefore, it is useful to make further study on heightener of reflectivity and applying in laser system with narrow pulse-width less than 30ns and high repetition rate more than 100Hz for space -communication and laser-detect.In this paper, a new theoretical model is established for optical fiber pumped by broadband laser.

而对光纤相位共轭器而言,关键问题是如何突破SBS反射率低于60%的瓶颈,并应用到重复频率大于100Hz、脉冲窄于30ns的激光系统中获得较高的稳定性和较好的相位共轭效果。

Somatic embryogenesis is a remarkable illustration of plant totipotency,and under appropriate culture medium can develop to an adult plant with high frequency, so it is a excellent system for genetic improvement.

植物体细胞胚发生是植物细胞全能性的重要体现,在适宜的培养条件下能够以较高的频率再生出完整的植株,是植物遗传改良受体系统。

The frequency deviation index of the filter and duplexer is decided by the PCB double-faced board etches cross nodel line transmission line graph's processing precision, so it is easy to control and it has high disposal quality.

该结构的滤波器和双工器的频率偏移指标主要由PCB板上十字节级联传输线图形的加工精度决定,因此易于控制,具有很高的一次性良品率。

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推荐网络例句

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。