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- mode selection by Fresnel number of resonator 菲涅尔数选模
- Fresnel number of resonator 共振腔的菲涅尔数
- The number of spectral switch increases with increasing Fresnel number and truncation parameter, but . 数值计算结果表明,光谱开关主要与截断参量、光束菲涅耳数以及光谱相干度有关。
- In this paper, the concept of effective Fresnel number of a stable optical resoaator which was first introduced by Boyd & Gordon is illustrated systematically. 本文系统阐述了早先曾由Boyd和Gordon提出过的有效菲(?)
- The equivalent Fresnel numbers of the regular polygon and slit are calculated by using the radius of inscribe circle and half width of the slit as the feature length. 以正多边形的内切圆半径和狭缝的半宽度为特征尺度,给出了匀幅平面波入射时正多边形和狭缝的等效菲涅耳数。
- The number of fish in coastal waters has decreased. 沿海鱼的数量已减少了。
- A number of new hats were on parade at the wedding. 在婚礼上见到有些人戴著新式的帽子。
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- I seriously question a number of your assertions. 对你所坚持的说法,有几点我甚为怀疑。
- A considerable number of guests have come. 相当多的客人已经来了。
- A number of possibilities come to mind. 我脑里出现了好几种可能性。
- Only a limited number of places are available. 只有少数地方可供使用。
- By extension, an array of any number of dimensions. 广义来说,矩阵可以是任意维数的数组。
- The number of day lose through strike have fall. 因罢工而失去的工作日减少了。
- There are a number of resonant mass detectors in use, below are links to some of them. 目前仍有不少共振质量探测仪在使用中,下面是其中几个的主页。
- The number of your finger is ten. 你双手手指的总数是10。
- A number of (ie some) problems have arisen. 已经出现了一些问题。
- A number of cables are needed in this project. 这项工程需要大量电缆。
- I have a number of important things to do today. 今天我有许多重要事情要做。
- I have five times the number of Tom's books. 我有五倍于汤姆的书。