查询词典 bore diameter

By using shape analysis,stereoscopy and moment of image,a number of eigenquantumwere extracted,such as radial diameter,tangential diameter,length and area of lumen,complexof cell,comers of edge and convex-concave properties.At the same time,the algorithm ofextraction and statistical analytic methods of pattern features were put forward.

利用形态分析、体视学及图像的矩来提取如早、晚材细胞的径向、弦向直径、管胞长度、面积、密质度及边缘的角、凹凸性等特征量，并提出了这些模式特征的提取算法和统计分析方法。

Subgradient projection method with variable diameter for optimization;2. The variable diameter deephole blasting was adopted to solve problems of open-pit high bench mining.

采用变直径深孔爆破工艺可较好地解决露天矿高台阶开采的爆破根底问题，对等直径和变直径 2种深孔形式爆破后岩体移动速度情况采用高速摄影手段进行了分析和研究，为在高台阶开采的矿山推广变直径深孔爆破提供一些有益的参考依据。

The recoery rate was calculated as follows;(JOA score at follow up_preoperatie JOA score)/(17 _ preoperatie JOA score) _ 100,15 and the surgical outcomes were classified into four grades based on the calculated recoery rate; excellent: recoery rate 75% or higher, good: 50–75%, fair: 25–50%, and poor: lower than 25%. Ealuation was made on radiographic findings, including the range of motion and the jaw diameter (a measured line from the posteroinferior corner of the ertebral body to the anterior aspect of the subjacent lamina) at the adjacent leels in group A and the affected leels in group B and the spinal canal diameter at the C4 leel in both groups. The C4 leel was chosen for this measurement, because the spinal canal is usually narrowest at this leel.

恢复率如下计算；（随访JOA评分-术前JOA评分）/（17-术前JOA评分）*10015，按计算的恢复率将手术结果分4级；优：恢复率75%或更高，良：50-70%，中：25-50%，差：低于25%。X线片结果评价，包括活动范围和颌直径（从椎体下后角到下邻椎板前方的测量线）在A组相邻水平与B组受影响水平及两组C4水平椎管直径。C4作为该侧量的选择是因为通常在此平面椎管最为狭窄。

Methods:The origin, external diameter, branch and distribution of subscapular artery was observed and measured on 34 adult limb specimens.Results:The external diameter of the subscapular artery was 3.9 ± 0.3mm.

方法在34例经动脉灌注红色乳胶成人尸体上，对肩胛下动脉的起始、分支及在背阔肌外缘深部表面的分布进行解剖学观察。

The diameter of superfine powder is less than hair (the diameter of hair is usually 70-80 micron).

超微粉体的粒径比人的发丝（通常为70—80微米）直径还要纤细得多。

To 2 branches with the external diameter of (0.62~0.94)mm can he found at the medial side of the proximal end of the ulna, as well a branch of periosteum at the lateral side with the diameter of (1.58±0.16)mm at the level of the supinator, and (1.17±0.10)mm at the level of the neck of radius.

尺骨近鹰嘴段，内侧有1~2条较其它肌骨膜支粗大血管，外径0.62~0.94mm；外侧恒定有一骨膜支，在出旋后肌水平血管外径(1.58±0.16)mm，平桡骨颈水平外径(1.17±0.10)mm。

For the purpose to figure out location and function relations of three-dimensional syphon's unfolded curve with any bend angle, any diameter and any section, and to make integration of design and manufacturing for three dimensional big-diameter syphon, methods of engineering mathematics and analytic geometry are provided. Syphon's unfolded curve function in three-dimensional station is analyzed and built; the corresponding MATLAB procedures are compiled at the same time.

为了解决弯管在弯曲角度、直径、节数等变化时的三维弯管展平曲线的坐标位置以及函数关系问题，以实现大直径弯管的三维设计与制造的自动化、一体化，通过利用工程数学及画法解析几何的方法，分析和建立了弯管在三维状态下的展平曲线方程，同时编写了相应的MATLAB程序。

All tubulars to be picked up must have serial numbers, special features, internal diameter, outer diameter, length and fishing neck, where applicable, recorded in the tally book.

所有的钻具必须有系列号、特征、内外径、长度、打捞颈长度并记录在钻具本上。

2 Acceptable Curvature Radius:not less than four times of outer diameter of cable,not less than twelve times of outer diameter for copper tape screened cable and armored cable.

3.2允许弯曲半径：不小于电缆外缆外径的4倍，铜带屏蔽及铠装电缆不小于电缆外径的12倍。

He used sea stones (10-40 cm diameter) piled 6 meters high in a truncated cone that was 8 meters diameter across the top.

他用海上结石（直径10-40厘米）堆高6米，在一截断锥，这是8米，直径全国首位。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。