查询词典 annular

In the laser engineering system,a beam expander and an annular aperture were taken as the equivalent of the Cassegrain telescope system.

在激光工程系统中，把卡塞格林望远系统等效为一个扩束器和环形光阑的组合形式，研究了激光束的光腰半径与卡塞格林望远系统的参数匹配问题。

Casson's fluid ; surge pressure ; oil wells ; model ; annular space

卡森流体；波动压力；油井；模式；环形空间

And the bare cavity modes of this resonator are calculated, the advantages of beam-converting annular resonator are analysed.

分析了束变换环孔激光谐振腔的特点和优势，给出了这种复杂激光谐振腔的设计原理。

The invention discloses an optical differentiator based on a silicon-based annular cavity resonator, which belongs to the field of optical fiber communication technology.

一种基于硅基环形谐振腔的光微分器，属于光纤通信技术领域。

The casing centralizer is used to centralize the casing in the bolehole to ensure the even solidification of cement slurry within the annular,which can improve the cement job quality.

套管扶正器的作用是使套管在井眼内居中，保证固井时水泥浆均匀凝固在套管与井壁所形成的环形空间内，从而提高固井质量。

Thinking, thinking like a single line, and emphasized a kind of circular thinking, thinking annular ring.

thinking，一种单线似的思考，而强调一种circular thinking，环状的圆环思考。

and Results— In 104 patients with idiopathic dilated cardiomyopathy who underwent annuloplasty for functional MR, basal mitral anterior leaflet angle, distal mitral anterior leaflet angle, posterior leaflet angle, coaptation depth, tenting area, mitral annular dimensions, left ventricular volumes, and MR severity were quantified by echocardiography before surgery and at 6-month intervals after it.

方法和结果：104名存在功能性MR的原发性扩张性心肌病患者接受了成形术。术前采用超声心动图检查获取基线二尖瓣前叶夹角、二尖瓣前叶远端夹角、二尖瓣后叶夹角、接合深度、幕状区面积、二尖瓣瓣环大小、左室流量以及MR程度，术后6个月复查。

Grouping.Grouping is acharacteristic of dermatitis herpetiformis,herpes simplex,herpes zoster,and late syphilitic eruptions.Small lesions arranged around alarge one are said to be in acorymbose arrangement.Concentric annular lesions are typical of borderline leprosy and erythema multiforme.These are sometimes said to be in acockade pattern,like the tricolor cockade hats worn by French revolutionists.Flea and other arthropod bites are usually grouped and linear(breakfast-lunch-and-dinner sign).Grouped lesions of various sizes may be termed agminated.

群集群集是疱疹样皮炎、单纯疱疹、带状疱疹和梅毒疹的特点小的皮损围绕大的皮损排列称为伞状排列同心圆形皮损是中间界线类麻风和多形红斑的典型皮损这种皮损有时被描述为帽章的形式，就象法国革命者所戴三色帽章跳蚤和其他节肢动物的咬痕常呈群集或线性分布各种大小的皮损聚集在一起术语称为"簇集"

The resolution is discussed as a function of two parameters, the spatial coherence condition of illumination and the central obstruction of an annular aperture.

将两点之分辨作为两个参数的函数进行了讨论——其一为照明光的空间相干条件，其二为环型孔的中心阻挡。

This paper gives some commensurable researches utilizing experiment combining theory. The whole paper consists of the theoretical and experimental researches. The first part consists of the fundamental study of foamed acid, the flowage of foamed acid as a Non-Newton fluid in the pipe and annular pipe, and the technology of acidification using foamed acid; and the experimental study includes the formula experiment of foamed acid, the Rheological behavior of foamed acid, the seepage and divided flow in the corn of foam, and appraisal experiment of foamed acid.

本论文采用实验和理论结合的方法，开展了相应的研究工作，主要包括两大部分内容：一是理论研究，包括泡沫酸的基本性质、泡沫酸流体作为可压缩非牛顿流体在井筒和环空中的流动规律、以及泡沫酸酸化工艺等方面的理论研究；二是实验研究，包括泡沫酸的稳定性配方、泡沫酸的流变特性、泡沫流体渗流规律和暂堵分流特性、泡沫酸室内评价等室内实验。

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜，这支南方球队将会更坚持其一贯而有效的4-3-3阵型，洛佩斯和塞德维奇将取代受伤缺席的詹保罗，和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外，西方较自由的生活方式对年轻人的影响增大。