非线性光纤环镜是一种很有前途的全光波长变换装置。
All-optical wavelength conversion based on a nonlinear optical loop mirror (NOLM) is a promising method.
提出了应用非线性掺饵光纤放大环镜进行全光波长变换的理论模型。
The theoretical model of all optical wavelength conversion based on an erbium-doped nonlinear amplifying fiber loop mirror is proposed.
文昌组的无定形有机质反映了古湖泊表层水的高生产力和湖底水体的贫氧环镜。
The abundant AOM of the Wenchang Formation reflects the high productivity in the surface water and reducing dysoxic conditions in the bottom water of the Palaeogene lake.
通过加氢处理、改进添加剂配方及废油再生可以减少矿物油基淬火油对环镜的危害。
The harm of mineral oil based quenching oil to environment can be weakened through hydrogenation, improvement on addition component, and regeneration of wasted oil.
一般来说，能够适应环镜变化的物种会继续生存上来，而那些适应性差的物种就灭绝。
Generally speaking the species that are able to adapt to the change of the environment will survive while the others will die out.
为了获得稳定的谐波锁模脉冲，分析了有理数谐波锁模的理论和非线性放大环镜的传输特性。
To achieve a steady harmonic mode-locked pulse (HMLP), the theory of rational harmonic mode-locking and the transmission characteristics of a nonlinear amplifying loop mirror were analyzed.
设计了一种基于半导体光放大器(SOA)和非线性光学环镜(NOLM)的光脉冲放大与压缩的模型。
A model based on semiconductor optical amplifier (SOA) and nonlinear optical loop mirror (NOLM) is designed for amplification and compression of optical pulse.
他已经看到了斯皮策太空望远镜在红外波段捕捉到的这类温热尘环的证据。
He has seen evidence of these warm dusty rings in infrared radiation picked up by the Spitzer space telescope.
内耳中的这种细胞是人类听觉不可或缺的一环。之所以称为“毛细胞”，是因为它们在显微镜下看上去就像是在细胞外长出了绒毛。
Hair cells, which took their name because under the microscope they look like cells with little hairs growing out of them, are an essential link in hearing.
1980年，一位科学家在紫外线显微镜下观察了骨头碎片，注意到骨头发出绿光——这是含有抗菌四环素的特征。
In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing green-a hallmark of the antibiotic tetracycline.
由于伽利略用的是20倍的望远镜，而且他眼睛的状况也很糟糕，他很可能把土星的气环搞错了，并因此得出结论-土星是由一个行星和两个卫星组成的。
With his 20-power telescope and with his eyes in bad shape he might have mistaken Saturn's gaseous ring to surmise that it was formed of one planet with two moons as satellites.
以前由可见光望远镜拍摄的星云环仅仅显示出其内部的环绕着恒星的炽热气体环。
Previous images of the Ring Nebula taken by visible-light telescopes usually showed just the inner glowing loop of gas around the star.
斯比策空间望远镜在星云环里找到一朵精致的花朵，如图所示。
NASA's Spitzer Space Telescope finds a delicate flower in the Ring Nebula, as shown in this image.
1980年，一位科学家在紫外线显微镜下观察骨骼碎片时注意到这些骨骼发出了幽幽绿光——这种绿色荧光是骨骼含有四环系抗生素的一种标志。
In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing green — a hallmark of the antibiotic tetracycline.
斯皮策望远镜上的红外线设备可以俘获环尘埃发出的热辐射，这个巨大的环内侧距离土星600万公里，向外一直扩展到1800万公里处。
Spitzer's IR instruments can capture the heat radiation put off by dust particles in the ring, which starts some 3.7 million miles from Saturn and extends outward another 7.4 million miles.
经工作套管放置内镜(它带有手术光源和小摄像机)，允许外科医生通过视频屏幕观察纤维环、椎间盘、硬膜外间隙。
An endoscope (which contains a surgical light and small camera) is placed through the tube, allowing the surgeon to view the annulus, disc, and epidural space on a video monitor.
旋转仪器上的一个控制环，改变镜间的角度，直到目标的两个影像重合。
You rotate a control on the instrument, which varies the included angle between the mirrors, until the two images of the target coincide.
该镜对应于克尔环边缘。
针对扫描镜精密伺服系统，本文采用按照电流环、速度环和位置环等三个回路进行控制系统设计的开闭环复合控制方案。
The scanning mirror precise servo system is designed by the scheme of compound control of open and closed loops with current, velocity and position loops in this paper.
转动机构可以推动平面镜环向、极向转动，进行不同区域的等离子体的加热和电流驱动。
The plane mirrors can be rotated toroidally and poloidally to heat plasma and drive plasma current in different regions.
研究了一种基于微环谐振腔的耦合共振光波导反射镜。
A coupled-resonator optical waveguide reflector(CROWR) based on triple-micoring was investigated.
通过显微镜可以观察到：环锭纱的结构与转杯纱完全不同。
It can be seen at a glance through the microscope; the structure of ring yarns is completely different from that of rotor yarns.
利用扫描电镜、荧光显微镜对环氧沥青的微观结构进行分析，从微观对其性能差别进行解释。
Using SEM, fluorescence microscopy on the microstructure of epoxy asphalt analysis, author explains differences in their performance from microscopic.
提出采用两个光纤耦合器构成具有复合环的非线性放大环形镜。
A nonlinear amplifying compound loop mirror (NACLM) constructed by two fiber couplers is presented and analyzed.
采用显微CT扫描和微分干涉差显微镜进行纤维环破裂的研究。
Investigation of the resulting annular disruption was carried out using microcomputed tomography and differential interference contrast microscopy.
先采用环周内镜下黏膜切除术(emr)治疗食管中部狭窄，然后进行内镜下常规支架或新型支架放置。
Circumferential EMR of the middle esophagus for stricture formation, followed by endoscopic placement of a conventional or newly designed stent.
该环由红外线的史匹哲太空望远镜所记录到。
The ring was found in infrared light by the Earth-orbiting Spitzer Space Telescope.
该环由红外线的史匹哲太空望远镜所记录到。
The ring was found in infrared light by the Earth-orbiting Spitzer Space Telescope.
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