查询词典 variation

On the base of other researcher, the *** from the basic equations of stable current field to derived the expressions of boundary problems under 3-D condition. Without considering the EM effect and using the generalized variation principle, we can get the corresponding variation equation. Thronging subdivide the 3-D model, interpolation, analysis, and general synthesis with the triangular prism element, we can carry out the simulation on frequency-domain IP\'s parameters under level and undulate topography.

在前人工作的基础上，在忽略电磁效应的情况下，从稳定电流场的基本方程出发，推导了三维区域满足的边值题目，用广义变分原理得到相应的变分题目，通过用三棱柱单元对大地模型进行剖分、插值、总体集成，最后解方程，得到每个节点上的复电位值，最后实现了水平和起伏地形等条件下的激电参数的数值模拟。2。

The main physical processes in the East China Sea include the Kuroshio and water flux of the Taiwan strait and Tsushima strait, the thermohaline structure and its seasonal variation by exchange of heat and water on sea surface and mixing of tide, as well as the tide and tidal current, and circulation and its seasonal variation.

黑潮及其台湾海峡、对马海峡的水体输送；通过海面热和水气交换以及潮流混合作用下的海水温、盐分布与结构的四季演替过程；潮流潮汐过程；环流的季节性变化等。

The two-cycle variation in side force per 360° of roll under small bleed momentum is gradually evolved to one-cycle variation under large bleed momentum.

模型上的侧向力随模型滚转从小吹气量下的双周期变化逐渐演化成为大吹气量下的单周期变化，利用该渐变规律可以实现对非对称背涡流场的主动控制，提出了微量吹气扰动控制概念。

The results showed that there existed variation among eucalypt families in wood physical-mechanical properties and wood chemistry. There were significant differences among E.pellita families、E.grandis families and E.urophylla譋.grandis clones in wood colors as well as between Strains and within trees.The variation of the surface wetability of wood between E.grandis families and E.urophylla譋.grandis clones were significant.Even in the same families level or clones level,there still existed the same regulation. The degree of collapse of eucalypt had a large relation in the amount of tylosis in vessel and vestured pits on the cell wall of vessel. The more rich tylosis and vestured pits in vessels,the more probability to occur collapse for eucalypt.The biggest moment collapse was probably the critical point of the drying degrade.During the fomulation of drying technology,it is necessary to adopt moderate condition to make the vessels which had formed the biggest moment collapse at the biggest moment collapse resume,especially to prevent the permanent set.At the normal temperature level,the main factors which influenced residual collapse were the contents of ray parenchyma and axial parenchyma .Nearly all the cells joined the course of forming the moment collapse and biggest moment collapse.Interval drying was fit for eucalypt plantation which was easier to make collapse.

研究表明：桉树不同家系间木材物理力学性质和化学组成存在差异；粗皮桉家系间、巨桉家系间、尾巨桉无性系间材色存在显著差异，株间、株内木材材色存在变异；桉树木材表面润湿性在巨桉家系间、尾巨桉无性系间存在着显著差异，在同一家系或同一无性系中，株间和株内也存在着相同的变化规律；桉材皱缩程度与其导管中侵填体的多少和导管壁上纹孔具有的附物多少密切相关，侵填体含物越丰富，纹孔附物越多，桉材越容易皱缩；最大瞬间皱缩是能产生更大干燥降等的临界点，在制定干燥工艺时，必须在最大瞬间皱缩发生时，采用温和条件，使已产生最大瞬间皱缩的细胞尽可能多的恢复，尤其不能使其产生永久变定；在常温条件下，影响残余皱缩的主要因子是射线薄壁细胞和轴向薄壁细胞含量；而对于瞬间皱缩和最大瞬间皱缩，几乎所有细胞都参与它们的形成过程；对于易皱缩的桉树木材，间歇干燥是最有前途的干燥方法。

The results were compared with control group. Results In group of ill pregnanted fetus, the contents of necessary nutrition elements in blood and tissue were all lower except that Fe in the group of congenital malformed foetus was high. The variation was especially evident in gravida's biood, umbilic blood, placenta, and liver of fetus. The contents of heavy metals such as Pb, Cd, Hg were all higher, and the variation was evident in placenta, liver of fetus and occipital bone.

结果 除先天性畸形胎儿组中的铁偏高外，其余血液及各组织中必需营养元素钙、锌、铜、铁、硒和维生素A含量普遍偏低，在母血、脐血和胎盘及胎儿肝脏中差异显著(P.05)；重金属铅、镉、汞含量普遍较高，在胎盘、胎儿肝脏和枕骨等组织中差异显著(P.05)。

Based on variation principle, a free vibration variation-integration equation of cantilever curved pipe for conveying fluid is derived. This is a bending-torsion-fluid tree phase coupled dynamics problem. It is difficult to uncouple and to obtain bending and torsion analytic solution separately. We can only look for approximate solution or numeral results.

根据变分原理导出了悬臂输液曲管的变分－积分方程，这是弯曲－扭转－流体三相藕合的动力学问题，无法解藕而单独求出弯曲和扭转的解析解，只能作近似计算。

It was shown that the great variation of effective unit weight and angle of internal friction of soil could result in the increase of seepage failure probability of earth dams, the effect of variation of angle of internal friction of soil was greater, and the seepage failure probability of earth dams was sensitive to variability of dam seepage. In addition, the increase of water level in reservoir would also induce great increase of seepage failure probability of earth dams.

结果分析表明，坝体渗透破坏的概率随着土体有效重度和内摩擦角变异性的增加而增加，并且土体内摩擦角的变异性对坝体渗透破坏的影响较大，坝体渗透变异性对坝体渗透破坏的影响较大；另外，随着库水位的升高，坝体发生渗透破坏的概率也显著增加。

The results show that there are obvious daily variation of concentrations of O〓、SO〓、SO〓、NO〓. The daily variation characteristic are unlikeness in different season.

结果表明，臭氧，硫酸盐，二氧化硫，二氧化氮等浓度分布有明显的日变化，日变化特征在不同季节有较大的差异。

Based on ozonesonde data for 20012003,some variation characteristics of the tropopause height and its influence on ozone variation in upper troposphere/lower stratosphere region over Beijing are discussed.

根据2001～2003年期间获得的大气臭氧探空资料，揭示了北京地区上空对流层顶高度的某些变化特征及其对上对流层和下平流层区域内大气臭氧含量变化的影响。

It is learnt from the correlation analysis with the EMD decomposition results of Southern Oscillation Index that the upper ocean temperature variation of the DP might be effected by the surface air pressure variation of the decadal time scale in the tropical Pacific Ocean.

与南方涛动指数的年代际时间尺度分量的相关性分析结果表明，热带太平洋海面气压场的变化对德雷克海峡上层海洋温度的年代际变化有一定影响。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。