查询词典 wavelength

This depends on the precise radio-frequency of the 21-cm wavelength,or 1420 megacycles per second.

这种通讯联系要靠21厘米的波段，即每秒1420兆周的精确无线电频率。

The elements of optical waveguide strain-stress measurement and fiber bragg grating strain-stress measurement system based on wavelength division multiplexing and spatial division multiplexing are emphatically discussed; the displacement regularity of stress field induced by roadway group excavating and short wall mining process is analyzed in detail; the concept of roadway "equivalent radius","correcting coefficient of coal and rock mass mechanical parameters",and "mining affecting coefficient" is put forward; the calculation method of "equivalent radius", the method of inversion of "correcting coefficient of coal and rock mass mechanical parameters", and the "mining affecting coefficient" determination method with the field measurement results and so on are provided.

重点研究了光波导应力应变测量原理，以及基于波分复用和空分复用技术基础上的布拉格光纤光栅应力应变测量体系；详细分析了近距离巷道群开掘工作和短壁体系回采工作诱发的应力场的重新分布规律；提出了巷道"当量半径"、"煤岩体力学参数修正系数"、"采动影响系数"等概念；给出了"当量半径"的计算方法、"煤岩体力学参数修正系数"的反分析求算方法、以及通过现

Because of the wavelength of the x rays

由于使用的 X 射线的波长使软性 X

Wavelength and frequency are, of course, related reciprocally.

波长和频率当然是相反的关系。

Inversely related; wavelength and frequency are, of course, related reciprocally- F.A.

相反的关系；当然，波长和频率是相反的关系-f.a。

A system of three-wavelength EDRAW was constructed. Optical data was written into BR film with 670 nm laser based on the B to P photochemistry reaction. Then the information was erased with 490 nm laser based on the reconversion of the photoproduct state P.

根据B到P态的光化学反应过程，利用670nm红光实现信息的写入；采用490nm波长光使P态复原为基态，以擦除所记录的信息；利用B和P态吸收特性的差异，选择594nm波长光实现了信息的读出。

To realize high storage density, the key and efficient way is to obtain optical storage materials capable of recording information in high density by means of laser beam with short wavelength.

为了达到高密度存储，关键而有效的方法是获得更短波长的光存储材料。

High detection sensitivity of 120 ppm can be achieved by using wave division mutiplexing technique, gas absorption cell with rectangular prism and digital match filter for the processing of weak signals which measurement accuracy of wavelength can be highly enhanced.

系统以ELED作为宽带入射光源，利用甲烷在光纤低损耗窗口波段的吸收特性，利用波分复用技术和直角棱镜吸收池，并采用提高波长检测精度的DMF对微弱信号进行处理，使得系统的灵敏度达到120 ppm。

So it is obvious substituent of large conjugation will lead to red shift of the corresponding absorption wavelength.

显然最大吸收峰会随着侧链共轭程度的增大而红移。

And red shift is a constrained effect of quantization of wavelength.

光的弯曲是由珠子密度不同引起的折射率变化的结果。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。