查询词典 sectional

The Pinching problems are discussed on the sectional curvature of compact space-like pseudo-umbilical submanifolds M~n with parallel mean curvature vector in De Sitter space S~_p, and the theory of reduction of the codimension is obtained in De Sitter space through evaluating the Laplacian of square of the length.

讨论了De Sitter空间Snp+p中，具有平行平均曲率向量的紧致类空伪脐子流形Mn的截面曲率的拼挤问题，通过估计第二基本形式模长平方的Laplacian，得到了De Sitter空间中的余维数压缩定理。

A sectional hyperbola cylinder sound lens using for oil recovery is designed according to the refraction law of sound.

对于一定的油井，无法改变油井中的原油及其岩层对超声波的衰减作用，但是，利用声透镜可以改变超声换能器所辐射出的超声

At many occasions they arise quite natu-rally.For example,they appear in the Iwasawa decomposition of the isometry group ofa non-compact Riemannian symmetric space.Also,every connected homogeneous Rie-mannian manifold of non-positive sectional curvature can be represented as a connectedsolvable Lie group with a left-invariant Riemannian metric.

它们出现在非紧致黎曼对称空间的等距群的Iwasawa分解中；任一非正截面曲率的连通齐性和黎曼流形可以表为带有左不变黎曼度量的连通可解李群等，带有左不变黎曼度量的幂零及可解李群的微分几何，调和分析和谱几何是重要的研究课题。

Therefore, cross-sectional contour extraction and surface reconstruction based on deformable models is important signification of theory and application.

因此，基于可变形模型的断层图像轮廓提取与表面重建研究，在科学研究及工程应用中有着重要的意义。

DESIGN: Cross-sectional study based on patients with dementia praecox.

设计：以精神分裂症患者为观察对象的横断面研究。

PS version of sectional shape is usually the rectangle, when its bending package 5.1 after, rectangles into throughtype, which corresponds to the front panel, which is the same angle, but due to the printing plate has a thickness, resulting in a printed version of the length of the front, a printing plate on the back of a positive length is greater than the length of a description block facing some of the, a phenomenon known as the break-up of metal.

PS版的截面众少轮廓凡是为矩形，当不兵其笔直包在滚筒上后，其截面由矩形酿成扇形，此时印版的背后和版面差答着不异的包角，但因印版具有必定的厚量，导致印版背后和背后的不幼量爆发保留，印版背后的不幼量不小于背后不幼量，表明印版背后有了必定的伸不幼，这种本体称为金属的倾圯。

Comparative anatomy of Chinese Dioscorea and its meaning in sectional divisions.

薯蓣属茎的比较解剖及其在分组上的意义。

After 21 days, the bronchial anastomosis was studied by gross examination, light and electron microscopy, bromodeoxyuridine uptake, measurement of bronchial breaking strength, and high-speed computerized tomography to assess bronchial cross-sectional area and distensibility.

21天以后，支气管的吻合被粗俗的考试学习，灯和电子显微镜学， bromodeoxyuridine拿起，支气管碎的力量的测量，并且评定支气管的代表性的区域和扩大性的高速度计算机化的断层摄影术。

No significant difference was found between the two groups in histologic bronchial healing scores, proliferation index, bronchial breaking strength, cross-sectional area, anastomotic distensibility, or local blood flow as estimated by high-speed computerized tomography scan.

在2个团体之间在histologic没有重要的差别被发现支气管治愈的分数，增殖索引，支气管碎的力量，代表性的区域， anastomotic扩大性，或本地的血同样流动由高速度计算机化的断层摄影术浏览估计了。

The ratio of the cross-sectional area of the doctor blade (4) to the diameter of the doctor blade rod (3) is less than 60 mm, preferably less than 30 mm.

刮刀床(4)的横截面面积(单位mm 2 )和刮刀棒(3)的直径之比小于60mm，优选小于30mm。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。