查询词典 curves

We also compute the critical curves and caustics of lens samples, the results show that they can fit the theoretic curves very well.

计算结果表明此算法能够在很高的精度上构建引力透镜模拟样本的面密度分布轮廓，由面密度计算出来的透镜的临界曲线和焦散曲线也能较好地和理论曲线吻合，结果是令人满意的。

In order to contribute to analyse and compute easily setback moving devices on the projectile fuzes,and to make the fuze devisers be able to get the approximate acceleration curves with a few parameters such as tube length and muzzle velocity of the guns,the displacement-time curve and velocity-time curve of gun interior ballistic are fitted with the Logistic models,then the formula of projectile acceleration curves in bore are gotten by the derivation of the formula of fitting velocity-time curve.

为了便于炮弹引信后坐运动机构的分析和计算，能使引信工作者只根据身管长度和炮口速度等少量参数就能获得弹丸膛内加速度近似曲线，运用Logistic函数拟合火炮内弹道的位移－时间曲线和速度－时间曲线，再对拟合得到的速度－时间曲线求导便得到了弹丸膛内加速度近似曲线。

Archie's electrical parameters of complex pore texture in sandstone reservoir.;2. Based on methods of core analyses,petrographic images,capillary pressure curves and T2 relaxation time curves of nuclear magnetic resonance,the microscopic characteristics of pore texture and evaluation for the Fu-Yang oil reservoirs are comprehensively studied.

根据岩心、岩石图像、毛细管压力曲线分析和核磁共振测量T2弛豫时间曲线等方法，对三肇地区白垩系泉头组扶、杨油层低渗透储集层的孔隙结构进行评价及综合研究，讨论3个问题：(1)储层中孔隙度和渗透率的关系；(2)孔隙结构的微观特征及其对渗透率的影响；(3)储层的渗滤能力、可动流体饱和度及储层评价。

The most difficult step in analyzing soil-pile interaction in liquefied ground by using the Beam on Nonlinear Winkler Foundation method is how to determine p-y curves for liquefied soil, and consequently many attempts have been made for investigating p-y curves of the liquefying soil.

采用非线性Winkler地基梁模型分析侧向液化土-桩相互作用所面临的首要难题是液化土p-y曲线的确定。

The fatigue strength of duplex stainless steel welded jointing with longitudinal fillet welded gusset and with longitudinal flat side gusset welded on plate were evaluated by hot spot stress,and the hot spot stress S-N curves were obtained and compared with the nominal stress S-N curves.

针对双相不锈钢焊接结构的疲劳性能问题，通过试验对双相不锈钢纵向角接板焊接接头和侧面角接板焊接接头疲劳强度用热点应力进行了评定，做出了热点应力S N曲线并与名义应力疲劳评定进行了比较。

After diagnosing the energy-used of the heat exchanger networks of optimization, hot-cold curves and grand curves were obtained. The results indicates that pinch temperature is improved, utility quantity is much reduced, and final temperature of the preheated crude oil is increased, which proves the optimal heat exchanger networks are the most optimal ones tosome extent.

对优化后的换热网络进行用能分析，做出了过程的组合曲线和总组合曲线，结果发现夹点温度有所提高，冷热公用工程用量降低了很多，原油预热终温提高了，证明优化后的换热网络在一定程度上达到了最优。

A significant, positive correlation was noted between the fulcrum bending radiograph angle and the fulcrum bending correction index, indicating that the fulcrum bending radiograph could predict the correction of flexible curves; however, for stiff curves, pedicle screws could provide more correction than the fulcrum bending radiograph predicted.

在支点弯曲影像角度和支点弯曲校正指数之间存在着显著的正相关，这表明支点弯曲影像可以预测变化曲线的校正数。然而，由于固定的曲线，椎弓根螺钉比支点弯曲影像的预测可提供更多校正数。

If we implicitly represent the plane curves as the level lines of the surface, the evolution of the plane curves will lead to the evolution of the corresponding surface.

如果把平面曲线隐式地表示成曲面的水平线，由这些平面曲线的演化可得到相应的曲面的演化。

The grain boundary layer behavior in ZnO/Si heterostucture is investigated. The current–voltage curves, deep level transient spectra and capacitance–voltage curves are measured.

本文利用电容-电压，电流-电压和深能级瞬态谱研究了ZnO/Si异质结的晶界层行为和载流子的输运机制。

From the probabilistic equation of debris-flow occurrence, the curves of probability-slope-water level were obtained. One can see the influences of water level and sediment-layer slope on the probability of occurrence from the curves. The influence of coefficients of variation on occurrence probability are also shown in this paper.

由土石流发生机率方程式，推求土石流发生机率－坡度－水位曲线，并藉以探讨参数之变异系数对土石流发生机率之影响，及评估土层在水位、坡度的变化下，土石流之发生机率。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。