查询词典 arc length

For the image with random field feature, the description language is probability distribution model, and the description length equals the negative base-two logarithm of the probability of the image data; For the region homogeneity properties of active contour, the description language is chosen as a sign gradient map, and the description length is the summation of sign gradient inside the active contour; For the active contour regularity, the description language is smoothness, and the corresponding description length is the length of active contour curve.

随机场图像的描述语言采用概率分布模型，描述长度是围道内外区域中图像数据概率的以2为底对数的负数；活动围道区域一致性的描述语言为有符号的梯度图，描述长度是围道内区域有符号梯度的总和；围道形态的描述语言采用平滑性，描述长度正比于围道的长度。

Based on the fundamental principles of the improved method mentioned above, multi-functional computation software package, which can be used to analyze effectively the interference effects of random flaws in plane problem, boundary problem and space problem, is compiled and a number of problems involved in the interference effects of different kinds of flaws such as random equal length through-cracks, random branched throughcracks, random unequal length through-cracks, random holes to through-cracks, unequal length edge cracks, equal length and distance multiple edge cracks, random notches with different aspect ratio, random notch to edge crack, non-coplanar surface cracks with different aspect ratio, staggered surface cracks, surface crack to embedded crack and embedded cracks near free boundary are analyzed and computed by the package.

依据上述改进法的基本原理，本文编制了能有效地分析平面问题，边界问题及空间问题的任意缺陷群相互干涉效应的多功能计算软件包。据此，本文分析计算了各类缺陷群。诸如，任意等长裂纹群。任意折裂纹群；任意不等长裂纹群，任意孔与裂纹群，不等长边裂纹群。等长等间距多裂纹群，任意形状比缺口群，任意缺口与边裂纹，非共面不同形状比表面裂纹群，交错型表面裂纹群，表面裂纹与埋藏裂纹群及自由边界附近埋藏裂纹群等的相互干涉效应问题。

Theequivalence percolation resistance law is accurate enough to be used in productivitycalculation of horizontal well pattern.(3) Productivity of mixed well pattern of horizontalwell or multilateral horizontal well and vertical well is constructed and formulae are simpleenough to be used in the oilfield. The patterns include 5-spot pattern,7-spot pattern and9-spot pattern.(4) Productivity formula of united rectangular well pattern of horizontaland vertical wells is constructed. By this formula, the calculation results show that fora horizontal well length, there is a shape factor at which the productivity of the patternis biggest. So optimum method of the well pattern is proposed.(5) A new concept ofdimensionless length of horizontal well is advanced and the relationship of optimum shapefactor of the rectangular well pattern against dimensionless length of horizontal well ispresented. The influences of length of the horizontal well, area of the well pattern unitand the thickness of reservior are concerned.

利用该公式计算表明：当水平井长度一定时，存在一个最优井网形状，使得水平井的产能最大，在此基础上提出了水平井井网的优化方法；(5)提出了水平井无因次长度的概念，给出了联合井网最优井网形状因子与水平井无因次长度的关系式，并对水平井长度、油层厚度及井网面积对产能的影响进行了分析；(6)推导出了一无限水平井井排在XY 平面内势的解析解，为不同水平井整体开发井网或水平井和直井井网整体开发渗流理论的研究奠定了理论基础；(7)建立了交错式水平井与直井整体开发渗流理论，给出了拟三维条件下井网产能的精确解析解及该井网最优井网形状因子与水平井无因次长度的关系，并对产能的影响因素进行了分析；(8)建立了水平井与水平井正排列井网、交错排列井网条件下渗流理论及井网产能在拟三维条件下的精确解析解，给出了交错井网条件下最优井网形状因子与水平井无因次长度的关系，通过与正方形井网对比，说明优化井网可大幅度提高开采效果；(9)建立了分支水平井和直井面积井网水油两相非活塞驱替条件下渗流问题的解析解，给出了见水前后无因次产量与无因次时间的关系式以及见水时间等。

Using the 294cc rotary engine, it can influence the maximum rpm and power of the engine output under the terms of using all kinds of length intake. Then it can find out the best length of intake of the rotary engine. In addition, under the terms of space limit of intake, it can influence the maximum rpm and power of the engine output when the intake is forced to limit on a certain length. To install a resonance in the intake system, according to the equation of Helmholtz, it can design the all kinds of size of the resonance. Using to change the volume and geometirc form of the resonance, it can find out the maximum rpm and horsepower of engine output in order to reduce the influence of the variation of engine intake length. Under the verification of the experimental result, this simple device can increase the rpm and horsepower of the rotary engine obviously to achieve the output performance that the engine requires to supply. Such the revisal of intake need the lower cost but it can obtain very obvious efficiency. It is a very feasible way.

藉由一具294cc的飞行器引擎，在使用各种不同长度进气道的条件下，对引擎所能输出的最大转速及马力有一定的影响，藉此找出该具引擎的最佳进气道长度；此外，在进气道因空间限制的前提下，进气道被迫只能局限某个长度以下时，在这种条件下，引擎所能输出的最大转速与马力等相关性能会随之受到影响，在进气系统加装一个共振腔，配合Helmholtz的方程式，设计出各种共振腔各部位的尺寸，利用改变共振腔的体积与几何形状，可以寻求增加引擎转速与输出马力的最大值，藉此降低进气长度变化所带来的影响，在实验结果的验证下，此一简单的装置可以明显的增加引擎转速与马力，以达到对引擎所需的输出性能要求，这样的进气系统修改所需的费用极低，但却可获得很明显的功效，是十分可行的方式。

The other 10 major QTLs of A1L1.1, A1L15.3, A2L1.1,A6L15.1, TL10.1, CW15.2, A1W15.2, CH15.1, CH15.2, A1H15.1 for the first abdominal segment length, the second abdominal segment length, the sixth abdominal segment length, telson length, carapace wide, the first abdominal segment wide, carapace height and the first abdominal segment height were located in male linkage groups.

其余8个性状，腹节1长、腹节2长、腹节6长、尾节长、头胸甲宽、腹节1宽、头胸甲高和腹节1高的10个主要QTL均位于雄性图谱上的A1L1.1、A1L15.3、A2L1.1、A6L15.1、TL10.1、CW15.2、A1W15.2、CH15.1、CH15.2和A1H15.1，可解释的表型变异率为12.3%至35.6%，其中CW15.2、CH15.1、CH15.2和A1H15.1的可解释的表型变异率分别为29.8%、35.6%、31%和24.5%。

The disc reproduction device further includes: storage means divided into a first area for storing at least one audio data of a particular length of at least one track and a second area for storing remaining audio data of the one track; write-in means for accessing the disc, writing the audio data of the particular length starting at an arbitrary position of the one track in the first area, and writing the remaining audio data in the second area during reproduction of the audio data of the particular length; and read-out means for continuously reading out the audio data of the particular length and the remaining audio data.

所述盘再现设备还包括：存储装置，其分为第一区域，用于存储至少一个道存储的特定长度的至少一个音频数据，和第二区域，用于存储一个道的剩余数据；写入装置，用于访问盘，在对特定长度的音频数据进行再现期间，将一个道的任意位置处开始的特定长度的音频数据写到第一区域，并且将剩余的音频数据写到第二区域；和读出装置，用于连续读出特定长度的音频数据和剩余的音频数据。

When the Agropyron seeds were treated with 1.0kv.cm-1,the seedling rate,seedling length and root length increase by 4.5%,81% and 48% respectively,and treated with 4.5kv.cm-1,the seedling rate,seedling length and root length increase by 4.8%,84% and 66% respectively.

结果表明：不同电场对冰草种子萌发及幼苗生长产生不同的影响，用1.0 kv/cm电场强度处理冰草种子10 min，可提高种子出苗率4.5%，苗长增长81%，根长增长48%；用4.5 kv/cm电场强度处理冰草种子10 min，可提高种子出苗率4.8%，苗长增长84%，根长增长66%。

Result Galium aparina water extract had some effects on the germination rate, roots length, stem length and fresh weight. The water extract decreased the germination rate and roots length of the 3 vegetables, but its effects on the stem length and fresh weigh was variable in different species.

结果］猪殃殃水提液对3种蔬菜的发芽率、根长、茎长、鲜重都有一定的影响；对发芽率、根长均表现为抑制作用，对茎长和鲜重的化感作用则因物种不同而不同。

The physical dimensions from ultrasound and keratometry,included axis length,anterior chamber depth,lens thickness,vitreous length and cornea refractive power.Both axis length and vitreous length were significantly correlated with refraction （correlation coefficient of 0.822 and 0.823,respectively）.

以13～25岁青少年为研究对象，应用眼科A型超声生物测量仪及角膜曲率计，由SAS软件支持，对240例近视眼屈光程度和屈光各要素（眼轴长度、前房深度、晶体厚度、玻璃体腔长度、角膜屈折力）测量值进行分析。

DESCRIPTION /2--WAISTBAND RELAXED /3---POINT TO MEASURE "K" FROM WAISTBAND TOP EDGE /4---HIP WIDTH /5--FRONT RISE FROM WAISTBAND TOP EDGE /6---BACK RISE FROM WAISTBAND TOP EDGE /7---TIGHT AT CROTCH 2,5CM BELOW RISE /8----SIDE LENGTH FROM WAISTBAND TOP EDGE- OUTSEAM /9----INSEAM /10----LEG OPENING /11-----BOTTOM HEM HEIGHT /12---WAISTBAND HEIGHT /12-----IPPER LENGTH / 133LOOP HEIGHT /14----LOOP WIDTH /15 ----POCKET WIDTH AT TOP / 16---POCKET HEIGHT /17---POCKET WIDTH AT TOP /18---POCKET HEIGHT AT CENTER /19---FLAP LENGTH AT CENTER /20---FLAP LENGTH AT CENTER /21---LEFT CARGO POCKET WIDTH /22---LEFT CARGO POCKET HEIGHT, AT CENTER /23----RIGHT CARGO POCKET WIDTH /--RIGHT CARGO POCKET HEIGHT, AT CENTER

-说明/ 2 -腰带松动/ 3 ---点测量的& K &从腰带顶部边缘/ 4 ---髋宽/ 5 -前台上升腰带顶部边缘/ 6 ---返回上升腰带顶部边缘/ 7 ---致密在裆2，5中医以下上升/ 8 ----侧长度从腰带顶部边缘， OUTSEAM / 9 ---- INSEAM / 10 ----专家组开幕/ 11 ----底阁下身高/ 12 ---腰带身高/ 12-----IPPER长度/ 133LOOP身高/ 14----LOOP宽/ 15 ----POCKET宽顶端/ 16---POCKET身高/ 17---POCKET宽顶端/ 18---POCKET高度中心/ 19 ---皮瓣长度中心/ 20 ---皮瓣长度中心/ 21 -左货物口袋宽/ 22 ---左货物口袋身高，中锋/ 23----RIGHT货物口袋宽/-右键货物口袋身高，中锋机器反译，不知道有没有用

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。