腔

The theory of fundamental mode resonators with lens-like medium has been developed, and it provides a basis for the design of this type of resonators.

。发展了具有类透镜介质的基模激光谐振腔理论，为该类激光谐振腔的设计提供了理论依据。

For the first time the concept of using a standing-wave method to analyze the Bragg resonators is proposed.

全面、系统地导出了轴对称渐变波导开放式谐振腔中高频场满足的普适方程，首次考虑了为前人所忽略的TM型寄生模式的影响，应用于渐变复合腔并分析了多种情况下这种影响的程度。

There are a world of different for clinical manifestation and imaging manifestation in carcinoma of ulreter and polyp of ureter, polypus were cured in opening operation and laparoscopy or intracavitary, hut carcinoma of ulreter should were selected to opening operation or laparoscopy in first, intracavity operation of recuring rate was higher and had more complications.

输尿管癌和输尿管息肉的临床表现及影像学表现有很大的不同，息肉可通过开放手术、腹腔镜或腔内手术治愈，但输尿管癌应以腹腔镜或开放手术为首选，腔内手术复发率高，并发症多。

It was shown that the SNR of the RADS could be improved by using a microwave cavity with proper microwave field mode and high microwave filling factor, a rubidium spectrum lamp with high spectrum purity and a separated isotope filtering scheme in the physics package design. The performance of the rubidium atomic frequency standard could be improved by taking all these factors into consideration.

本文分析了微波腔的结构、铷光谱灯的光谱纯度和同位素滤光方案对信噪比的影响，指出采用模式优越、微波填充因子大的微波腔，光谱纯度高的铷光谱灯，用分离滤光方法进行同位素滤光，可以提高铷原子鉴频信号的信噪比，从而使铷频标的稳定度指标得到进一步改善。

With the help of single transverse mode He-Ne laser and a preliminary plane-parallel cavity inserted before the grating, expectedd experimental results are obtained and the measured seed laser pulse energy and intensity distribution at different position are given.

自准直谐振腔是调试准直的关键环节，引入辅助准直光源和辅助谐振腔，得到了预定级次的激光振荡输出，并给出了调试中不同位置输出激光的能量及光强分布。

To achieve compact all-solid-state laser's operation, a plane-parallel cavity was employed with two mirrors separated by 1 cm, and obtained the fundamental-wave laser with central wavelength at 1044 nm. The maximal output power of 1.38 W was obtained with an absorbed power of 4.22 W, which corresponded to slope efficiency of 54%.

为了实现紧凑的新型全固态激光器的激光运转，设计了一个平平谐振腔，两个镜子的分开距离仅为1 cm，在这种腔结构下，得到了中心波长为1044 nm的基频激光输出，当吸收抽运功率为4.22 W时，基频激光的最大输出功率为1.38 W，相应功率曲线最大斜效率为54%。

Because the depth of measurement is taken at the inner surface of the proximal electrode for a plane-parallel chambers, the results obtained in water were taken as "reference" for comparison.

由於平行板游离腔之测量点已被明確认定於上电极板內侧，因此在所有系统比较中，我们则以平行板游离腔在水中测得之值当做&参考值&来做比较。

The plane-parallel resonant cavity is built up in theory with the U-shaped bending waveguide for TM mode. The beam splitting and convergence effect are also discussed for the structure composed of filling-factor graded wave-like 2D-PC and one-dimensional multilayer thin films.

利用TM模的U型转弯波导构建了新型的平行平面谐振腔，并指出由填充率渐变型波状结构二维光子晶体和一维多层薄膜构成的混合结构在光分束和抑制光束发散方面的作用及其在平行平面谐振腔中的潜在应用。

The output beam quality can be improved by adopting Gaussian reflectivity coupling output mirror, using plano-convex unstable cacity, Nd: YAG, and electro-optic Q setting solid laser in the experiment.

使用高斯反射率耦合输出镜可较好地改善其输出光束质量，设计了平-凸非稳腔，使用Nd：YAG，电光调Q 固体激光器进行实验，获得了较为平滑的远场光强分布，实验结果表明高斯反射率输出镜可较好地改善固体激光器中非稳腔输出光束质量。

Test tasks: to check whether the loose connector; hand plate coupling the rotor to move a few laps to see whether rotation and flexible unit, whether there is uneven sound and light and heavy feeling, to determine whether pump or foreign body axis is curved seals, such as the installation is correct; inspection seal on the 20th cavity clean lubricants are added 1 / 2 cavity space; pump unit surface is clean; unit no-load test shift.

试车工作：检查连接件是否松动；用手盘动联轴器使转子转数圈，看机组转动是否灵活，是否有响声和轻重不匀的感觉，以判断泵内有否异物或轴是否弯曲，密封件安装正不正等；检查密封腔内的清洁20号润滑油是否加注1/2腔内空间；泵机组表面是否干净；机组转向空载测试。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷