计算每个椎间隙处的硬膜囊横断面积。
Thecal sac cross-sectional area was calculated at each disc space.
断面积模型是全林模型系统中最重要的模型。
The basal area growth model is the most important one in the integrated stand growth model.
吸入管路截面积必须大于或等于泵流道断面积。
The sectional area of the suction pipeline is no less than pump flowing channel's.
文中推导出了任意三心拱和圆弧拱巷道断面积计算的公式。
A fornltila for calculating the heading section of arbitrary three-centered arch and circular arch types was derived in this paper.
髓鞘层数和轴突横断面积二者之间为正相关（P＜0.01）。
The numbers of layer in myelin was positively related to transverse axonal area( P <0.01 ) .
新管光滑的表面增加水的流速，故可弥补管断面积减少的缺点。
The smoothness of the new internal surface increases the flow velocity and thereby compensates the reduced cross-section.
随机效应检查的结果表明，同一地区不同种源的断面积模型相同。
Meanwhile, the result showed by random effects test demonstrated that basal area models of provenances planted on the same region was of no significant difference.
断面积生长预估是林分生长和收获预估体系中的核心因子和基础。
The basal growth prediction is a kernel factor and foundation in the model system of stand growth and yield prediction.
指出切线泵的扬程系数与叶片数、喉部面积、集液器断面积的关系。
At the same times, the relationships of the head coefficient with the number of the blade, the throat area and the sectional area of the collector were analyzed.
结论：上述数据解决了腰椎损伤后多裂肌横断面积是否迅速减少的疑问。
Conclusions. These data resole the controersy that the multifidus cross-sectional area reduces rapidly after lumbar injury.
影响汊道分流比的主要因素有：两汊的比降、过水断面积、糙率、流速等。
Main factors effecting on flow rate in braided river is gradient of anabranch, area of water, roughness and velocity.
影响汊道分流比的主要因素有：两汊的比降、过水断面积、糙率、流速等。
Main factors effecting on flow rate in braided river is gardient of anabranch, area of water, roughness and velocity.
结果表明：点抽样估计林分断面积是无偏的，而估计林分每公顷株数效率不高。
The results indicated that it is unbiased to estimate basal area of stand but inefficient when estimating stems per hectare by point sampling.
在离心铸球工艺中，可应用有效重度和等效压头原理计算转速和内浇口断面积。
It is suggested to apply the principle of effective gravity and equivalent pressure head to calculate the rotational speed and ingate area in the processing of grinding ball by centrifugal casting.
断面积生长间伐效应模型的研究是林分生长和收获预估模型体系研究摘要的核心内容。
Models on thinning effects on basal growth prediction are the kernel of the model system of stand growth and yield prediction.
介绍了离心铸造磨球的工艺，以及转速、内浇口断面积计算方法和影响工艺过程的因素。
The technology of grinding ball by centrifugal casting, the rotational speed, the method for calculation of ingate area and factors influencing technological process were introduced.
本文以货流断面积的计算问题为例，说明以松散物料力学为依据确定运输带上的安息角。
The paper takes the determination of the material On belt as an example to show that the angle of repose of bulk solids on the belt depends upon bulk solids mechanics.
另外，对杉木不同初植密度下林分断面积、蓄积和生物量的生长过程进行了分析和模型拟合。
In addition, the paper analyzed and simulated growth process of stand basal area, volume and biomass under different initial planting density for Cunninghamia lanceolate, plantation.
压力差为阶跃变化的情况下数值计算结果说明了收缩部的断面积的时间变化减少了收缩部的惯性效果。
Time dependent calculation for a suddenly imposed pressure gradient has shown that variation of the cross sectional area reduces inertial effect in the contraction flow region.
在《采矿设计手册》第3卷载的圆弧拱巷道断面积公式是近似计算的，其值比本文推导公式的值稍小。
The formula presented in Tom 3 of "Mining Design Manual" is for approximate calculation, the area value determined from which is some less than that obtained from the formula given here.
本文由连续采煤机几何参数和运动参数与切屑断面积的关系式，定性分析了各种因素对落煤块度的影响。
The article studies the relationships of geometry parameters, movement parameters and coal lump section of continuous miner. It explains the qualitative effect of factors on coal lump.
运用有调压室的水轮机调节系统数学模型，引入无量纲参数，详细分析了调压室断面积对调节系统稳定域的影响。
The effect of sectional area of surge tank on stability of turbine regulation system has been analyzed by using the mathematic model of the non dimensional parameters of the whole system.
结果表明，本文提出的理论方法不仅完善了传统方法而且克服了传统方法测定林分断面积、蓄积量零增长及跳跃现象。
The results show that the methods suggested by author not only improve the traditional method but also eliminate the phenomenon of zero and jumping in the estimation of basal area and volume incr...
研究表明：如果合理地选择设计连接管断面的尺寸和型式，就可以进一步减小有连接管的尾水调压室水位波动稳定所需的断面积。
According to this study, the optimal design in the size and shape of the linking pipe helps to reduce the sectional area for stability.
施加轴向负荷后，椎间盘的厚度在三个活动平面明显减少，同时，硬脊膜囊横断面积在11个平面减少，但不会出现在相同运动平面。
Significant reductions of disc height were found at 3 motion segments and of DCSA at 11 segments after compression, but these changes were never seen in the same motion segment.
在经咽隐窝的断面上，观察咽旁间隙及咽旁结构的解剖学关系，利用游标卡尺及关联方格分别测量其宽度和面积。
At pharyngeal recess level, parapharyngeal space and parapharyngeal structure were observed and measured in the width and area with vernier caliper and associate pane.
运动员身体密度与大腿断面各组成的面积均呈一定的负相关，而体脂率与其呈正相关。
The body density has a negative correlation with the cross-sectional areas of the thigh, but positive correlation with fat ratio.
介绍利用（电子）经纬仪进行横断面测量的一种新方法，并提出横断面截面积计算的一种新思路。
The paper introduces a new method of cross measuring by (el ec tric) theodolite, a new way of cross section area computation is also presented.
计算结果表明，尾水调压室断面面积随水轮机工作水头的增大或尾水洞长度的缩短而减小。
The calculated result from an example shows that the stable sectional area reduces with the increase of working head, or the decrease of the tailrace tunnel length.
利用计算机进行横断面设计必需解决横断面面积计算的数字化问题。
Design of the cross section by computer needs deal with the digital problem for area calculation of cross section.
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