查询词典 signet ring

FYB---double-direction angular contact thrust ball bearing is a bearing unit composed of an integral outer ring, a group of sectile inner rings, steel balls, cage assemblies and sealing.

FYB—双向推力角接触球轴承是由一整体外圈、一组剖分式内圈、钢球和保持架组件及密封组成的轴承单元，其结构紧凑体积小，可双向受力，旋转精度高，并可在承受很高径向负荷同时承受一定的轴向负荷。

Principle of least squares,digital image segmentation,digital image treatment and digital image identifying were applied into the research of wood science in this research,the wood cell image of annual ring from annual center to wood edge was analyzed,the modified level set method was applied to segmentate cell image precisely for the first time,the identifying of wood cells and hexagon simulation for wood cells were accomplished with active contour model,which had important potential application value in deepening the research of wood properties to a further step,moreover,had an important significance for improving comprehend on wood micro-properties and enlarging the applicable range of wood.

本研究将最小二乘原理、数字图像分割、数字图像处理、数字图像识别应用于木材科学研究，分析了从年轮中心到木材边缘的年轮的木材细胞图像，应用改进的水平集方法准确分割细胞图像，应用活动轮廓模型完成了对木材细胞的识别，并完成了木材细胞六角形仿真，对木材材性的深入研究等领域中有重要的潜在应用价值，对提高木材对微观性能认识，扩大木材的适用范围，具有重要意义。

In this paper the electrochemical reduction mechanism of selenious acid(H2SeO3) in phosphoric acid solution was studied by rotating ring-disc electrode and cyclic voltammetry techniques.

文摘：利用旋转环－盘电极方法开结合循环伏安技术研究了磷酸溶液中亚硒酸的电化学还原机理。

On the basis of previous work in our laboratory, several novel thiosemicarbazones and semicarbazone compounds containing pyrazolone-ring have been synthesized.

本文在实验室原有工作的基础上，合成了以吡唑啉酮环为变色主体的缩氨基脲、氨基硫脲类有机光致变色化合物，通过对固态光致变色性质和晶体结构的研究，深入分析了它们的变色机理，并总结了光致变色性质与之间结构的关系。

The situation and effect of applying electrode holder without ring co llector to semiclosed ferroalloy electric furnace with low hood are introduced, its advantages and spread value are also affirmed.

介绍了无集电环电极把持器在半封闭矮烟罩铁合金电炉上的使用情况及效果，肯定了无集电环电极把持器的优点及推广价值。

Pome drupe-like, purplish black or bluish, subglobose, succulent, with early caducous sepals leaving an annular ring; seeds 1 or 2, subglobose, large, seed coat thin, cotyledons thickened, plano-convex or semiglobose.

象Pome核果一样，略带紫色黑色或者带蓝色，近球形，多汁，带有早落萼片留下一个环形的圈；种子1或2，近球形，大，瘦的种皮，子叶加厚，平凸的或半球形。

The battle at Senlac Hill" certainly doesn't have the same ring to it as "The Battle of Hastings!

显然，&森拉克山丘战役&没有&黑斯廷斯战役&听起来响当当！

Presented the settle means of Fiber Bragg Grating sensor's cross-talking problem or simultaneously measu- ring of temperature and strain. Introduced some main problems of Fiber Bragg Grating senso- rs that needed to be solved when it's applied in practical use.

提供了光纤光栅传感器在温度和应变测量中交叉敏感问题的解决办法，介绍了光纤光栅传感器在实际应用中需要解决的几个主要问题。

FBG senso rs show the advantages of st rong surviving capability, ab2 so lute value measurement and long service life over convent ional elect rical st rain gauge in experiments. The results indicate that it is po ssible to establish a st ructural health monito ring system based on fiber op t ic senso rs.

结果表明，FBG 显示了良好的传感性能，能够监测混凝土内部应变状态，发挥出成活率高、绝对值测量和寿命长等优势，为建立结构健康监测系统奠定了基础。

"Beauty" of the title, as well as its ban on 18 different levels can not help it to the imagination "erotic map", and thefilm also known as "beauty" of the sublime is unprecedented in Korean film, told other Qing Sepian Qingse than immediatelychange, even more than last year recognized benchmark: Ang Lee's "color ring."

美人图》的片名以及它18禁的分级不禁会令人浮想联翩到&春宫图&，而片方也号称《美人图》的香艳程度是韩国电影中史无前例的，其他情色片跟它比立刻变青涩，甚至超过了去年公认的标杆：李安《色，戒》。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。