每个立体的矢径总是正值长度。
The radius vector of each solid is always a positive length.
在管径恒定的情况下，加长真空管的长度是增加太阳能热水器总得热量的有效途径和方向！
In the case of constant pipe diameter, lengthening the length of vacuum tube is an effective way to increase the total heat of solar water heater!
提出了一种对抗前径信道的重叠结构均衡算法，可以降低系统对抗前径时对前馈滤波器长度的依赖，提高系统的性能并降低复杂度。
Propose an overlap structure equalization algorithm for the pre-echo channel, which can weaken the dependence on feedforward equalizer, enhance the performance and reduce the complexity.
运用体外培养的新生鼠大脑神经细胞来观察脑活素及神经肽对其的影响，并测量突起长度及胞径，与对照组进行统计学处理。
The paper reported the effects of cerebrolysin and neuropeptide on cerebral neurocyte in newborn rat by vitro culture method, and measured the length of cellular process and the diameter of cells.
大熊猫咬节平均长度与粪便宽径存在显著的回归关系。
Significant regression correlation exists between fecal width and average length of bamboo stem fragments in feces of the giant panda.
该模型充分考虑了多径传播，以及频率和长度对衰减的影响，使其更具有实用价值。
The model has fully considered the multi way of transition, as well as the frequency and length affected to the reduction in order to have more practical value.
在内螺纹的孔的顶端或者外螺纹的管的端部拥有相同的中径，而且拥有相同的螺纹长度和深度。
Both have the same pitch diameter at the top of the hole of internal threads or end of the pipe on external threads, and both have the same thread lengths or depths.
对于不同的传压管径、传压管长度和腔室容积，得到不同阻尼的衰减振荡曲线以及过阻尼时呈单调衰减的回零过程曲线。
Then the different damped oscillation curves and over-damped monotonic decay curves can be obtained for various diameter and length of the pressured tube and various volume of the chamber.
结果：取得了寰椎和枢椎各种径线的长度数据。
Results: The length of various diameter of atlas and epistropheus were measured and a lot of date were obtained.
而平台区由于设计管径仅为潮汐通道区的三分之一，其极限冲刷长度远小于潮汐通道区。
Because the pipeline diameter in platform is one third of that in tidal channel, so the limit scour length is less.
分析了不同径厚比、边界条件及脱层长度、深度、位置对脱层壳屈曲载荷的影响。
The influence of different ratios of radius to thickness, boundary condition and length, depth and po…
低压滴灌毛管进口工作压力、铺设长度、地面坡度及毛管管径是影响滴灌灌水均匀度的重要参数。
Lateral inlet operating pressure, lateral length, terrain slope and lateral diameter are the important parameters that have effects on drip irrigation uniformity.
且对喉腔各部的高度及有关径线，前庭襞、声襞的长度、宽度、厚度，声门裂宽进行了测量、分析和对比。
The height and diameter of each part in laryngeal cavity, the length, breadth and thickness of vestibular folds and vocal folds were measured, analysed and compared.
而当扩径段长度大于一定范围时，岩屑在此段的静态运移规律和动态运移规律差别不大。
However, when the length of hole enlargement is larger than certain range, the cuttings static migration law and dynamic migration law is not so much different in hole enlargement section.
管子长度要短，管径要合适，流速过高会损失能量。
The length of tube should be short and tube O. D. should be suitable.
研究了在大芯径、多模功率光纤中传输的激光束光束质量和偏振与光纤长度的关系。
In this paper, the beam quality and polarization degree of laser beam which propagated in large core multimode power fibers is studied.
本发明是借助中间像浸没的技术，增大反射角、减小直光管芯径，缩短直光管的长度。
By means of intermediate image immersing technology, the present invention has increased reflection Angle, reduced straight collimator core diameter and shortened straight collimator length.
方法采用T1序列对76例活体人脑前后连合间径（LI）在MRI上的长度进行测量；
Methods Intercommissural line(LI)lengths on MRI scanned by T1 sequence of 76 vital brains were measured;
纳米管阵列排列整齐，长度均一，彼此相互平行，管径均匀。
The PANINT arrays were ordered, they have an uniform diameter, and paralleled each other.
仿真结果表明，通过增大优先阀开启时间，适当缩短管路长度和增大管径能够有效降低液压系统的液压冲击现象。
The simulation results show that, the extension of priority valve cracking time, shortening tube length and increasing tube diameter will be helpful to reduce the hydraulic impact.
文中介绍了灯管等效电阻的概念及进行变压器匹配灯管管径、长度的设计选取。
The lengths of the light tube that the transformer can drive are dependent on the tube diameters.
扩张腔腔体长度越大、进出口管管径越小，扩张腔消声器的压力损失越大。
The longer the expand length is, the smaller the inlet diameter is, the greater the pressure loss of expand muffler element is.
最后提出了调整隔震管段长度及支座滑块与地面之间摩擦系数，对三种常用管径管道跨断层设计的建议。
Finally the engineering design suggestion of three commonly used diameter pipe segments is given through changing their length and the friction coefficient between the slip block and the soil surface.
此时的最优扩径结构长度上变短，对变刚度结构前部扩径薄壁管截短的影响进行分析。
At this time, the optimal expanding structure get shorter, so the influence of the truncated thin-walled tube is analysed.
并且，管径最大的管道压降的相对误差最大，并且压降的相对误差将随输送压力的减小而减小，流量的增大而增大，长度的增加而增大。
The larger the transmission pressure, the bigger the pressure relative error; the bigger mass flow rate, the bigger the relative error; the longer the pipeline, the bigger the relative error.
结论：肱三头肌外侧头肌支有足够长度和横径，在肌门处可无张力移位至肌皮神经肱二头肌支及部分腋神经肌支。
Conclusions: Radial nerve branches of LHT have both enough length and diameter to anastomose nerve branches of musculocutaneous nerve and partial axillaris nerve;
方法采用颌面结构分析法测定115例男性OSA患者鼻咽、口咽及下咽部5个层面的气道径及上气道长度、面积值，以及15项颌面结构参数。
Methods Fifteen craniofacial soft tissue and bony structure variables and 7 upper airway variables were measured in 115 male OSA patients using cephalometry technique.
方法采用颌面结构分析法测定115例男性OSA患者鼻咽、口咽及下咽部5个层面的气道径及上气道长度、面积值，以及15项颌面结构参数。
Methods Fifteen craniofacial soft tissue and bony structure variables and 7 upper airway variables were measured in 115 male OSA patients using cephalometry technique.
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