半圆

The divergence angle is calculated based on geometry characteristics of two facula curves detected at the different positions to the laser. Facula curves are gained through scanning by two hemicycle probes which have different radius.

该方法以激光光束传输到不同距离处的2条光斑外缘曲线的几何特征为基础来求LD的发散角，而2条光斑外缘曲线分别由2个半径不同的半圆环探头的旋转扫描探测获得。

Right secret anguish issueing an abdomen reachs right bump issueing an abdomen 9, examination of clyster of agent of barium of the travel before art shows appendix is rigid or not develop 6, caecal hemicycle is slash 1, the oppressive, ministry that answer blind occupies the bump outside antrum a 2 exemple;B exceed an examination to reach bursa sex bump at explore of right flank ministry 2, solid sex is inhomogenous bump 1, the others shows without unusual;CT examination shape of bursa of west region issueing an abdomen is occupied 6 times 2, appendix is thick 1 long, local bowel wall adds the ministry that answer blind thick 1, sex of right fruit issueing an abdomen is occupied 1, the others did not see 4 times unusual.

右下腹隐痛及右下腹肿块9例，术前行钡剂灌肠检查显示阑尾僵直或不显影6例，盲肠半圆形迹1例，腔外肿块压迫、回盲部占位2例；B超检查于右侧腹部探及囊性肿块2例，实性不均匀肿块1例，其余6例无异常；CT检查显示右下腹区囊状占位2例，阑尾粗长1例，回盲部局部肠壁增厚1例，右下腹实性占位1例，其余4例未见异常。

Small, hemispherical domains of the aggregation of rod-blocks are formed at low temperature.

在温度低时，会出现由硬杆所聚集而成的半圆球形聚集结构。

METHODS. Semicircular test and reference stimuli of variable diameters were used in a binocular test that measured interocular size disparity between perceptually iseikonic stimuli in subjects with a unilateral macular hole.

通过使用半圆测试和可调直径的标准刺激物，对不对称的黄斑裂孔受试者双眼间产生知觉等像刺激物大小的差异进行测量。

So a new type quarter-circularbreakwater is brought forward.As the same weight as semi-circular breakwater,quarter-circular breakwater bottom length is reduced to decrease jackstone.

为此，提出一种圆弧面(1/4圆)防波堤的新堤型，在与半圆型防波堤断面自重相近时，尽可能减窄底宽，从而减少大量抛石基床的数量。

The impedance spectra comprise of a semicircle at high frequency and a line at low frequency.

MH-Ni电池的阻抗图谱包含一个高频区的半圆和低频区的直线。

Based on the ideal magnetohydrodynamics, the present paper discusses the linear stability of a semicircular electric current sheet tied at the photoshere.

本文从理想磁流体力学出发，分析了固结在光球层上的半圆弧形电流片的线性稳定性。

The main results can beexpressed as follows:(1)Based on πtheory, some affected factors about wave forces are given, and therelation between affected factors and wave forces is analysised by experimentalresults.(2) The distribution of wave press at representative time and reflection nature aregiven and their variety charactes are discussed by experimental results.(3)By comparing the wave forces of quarter-circular breakwater and semi-circularbreakwater under the same wave conditions,some approximately wave forcesexpressions of quarter-circular breakwater are given.(4)Based on VOF method to trace water free surface,solve numerical value ofRANS equation,and get the distributions of flow field and wave press ofquarter-circular breakwater at the same time during one period,the mechanism ofwave force is also discussed elementarily.(5) Based on the result that RANS equation of numerical simulation agree wellwith experimental results,a new approach to study hydraulic natures of quarter-circular breakwater is provided.

其主要结论如下：一、通过π定理，确定影响波浪力的无因次参变量，根据试验结果对其影响因素进行分析；二、基于模型试验，给出典型时刻圆弧面防波堤的同步波压分布和反射特性，讨论它们的变化特点；三、通过相同条件下圆弧面防波堤与半圆型防波堤两种堤型试验波浪力的比较，给出了圆弧面防波堤波浪力的近似方法；四、利用VOF法追踪自由水面，数值求解RANS方程，得到圆弧堤堤体周围的流场和压力场，初步分析了速度涡流与压力场的相互影响；五、对比数值分析与试验结果，探讨数值方法研究圆弧面防波堤水力特性的可行性，提供新的研究途径

This is not the shape of semicircle of nutritious health problems?

没有这半圆的形状的人的健康有营养问题吗？

Spot oilstone sand, the origin Dafang, the Chinese side, small square, square, round semi-circular, triangular, single, double, such as multi-species (ruby, agate, boron carbide, silicon carbide, white corundum, fiber ), full-size (180 #-1500 #) Die dedicated, grinding special jade.

现货油石砂条，产地大方，中方，小方，方，圆半圆，三角，单，双面，等品种多(红宝石，玛瑙，碳化硼，碳化硅，白刚玉，纤维)，粒度全（180#-1500#）模具专用，磨玉专用。

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。