1) flat spot
平点
1.
Sonic velocity of reservoir decreased by 700～750m/s as a result of oil and gas accumulation, formed seismic information on oil and gas pool like “flat spot”, “bright spot” and “low frequency”which are noted for numerous and.
油气在这里聚集的结果 ,使其储层声波速度下降了 70 0～ 750 m/ s,形成了诸如“平点”、“亮点”、“低频”等数量众多、特征突出的油气藏地震信息 ,其中最为独特的是在不同性质流体分界面上形成的两个“平点”(反射同相轴 )及其倾斜产状。
2.
As a result it has the typical seismic reflection characteristics of gas reservoir: 1) dim spot at top interface of gas reservoir, 2) bright spot at bottom interface of gas reservoir, 3) flat spot at gas-water contact, and 4) seismic response shape of gas reservoir.
二连盆地阿尔善背斜下白垩统腾格尔组中部的天然气藏埋深500m，属断背斜层状浅气藏，加之地表条件好，故在地震剖面上出现了典型的气藏地震反射特征，即：①气藏顶界面的暗点；②气藏底界面的亮点；③气水界面的平点；④气藏地震响应的外型。
2) mean point of group
点群平均点
3) positive equilibrium
正平衡点
1.
In this paper,We study positive equilibrium kind of n-species food chain model under pollutde environment.
本文研究了污染环境中n阶食物链系统的正平衡点问题,得到了该系统存在唯一正平衡点的充要条件,并且在n=2和n=3时证明了正平衡点的稳定性。
2.
New sufficient conditions for the global attractivity of the positive equilibrium of equation is obtained, which improve some recent results in literature.
讨论平方Logistic差分方程xn + 1-xn=rnxn(1 +bxn -kn-cx2 n -kn) ,n =0 ,1 ,… ,其中 {rn}是非负实数列 ,{kn}是非负整数列 ,{n -kn}非单调递减 ,且limn→∞(n -kn) =∞ ,b∈ (-∞ ,∞ ) ,c∈ (0 ,+∞ ) ,给出了保证方程每一正解趋于正平衡点的充分条件 ,所得定理推广和改进了已有结果。
3.
The results obtained prove that a locally stable positive equilibrium point also contains global stability.
考虑了n维Lotka Volterra捕食被捕食链型系统 ,证明了正平衡点的局部稳定性蕴含了全局稳定
4) melting point
平衡熔点
1.
Influence of time step on the calculated melting point of Cu;
时间步长对铜平衡熔点模拟计算结果的影响
5) equilibrium point
平衡点
1.
The equilibrium point and stability of a kind of production;
一类产品竞争的平衡点及其稳定性
2.
The study of the global asymptotic stability of the equilibrium point of nonlinear circuit;
高维非线性电路平衡点全局渐近稳定的研究
3.
Proof of optimality of a kind of multiobjective nonlinear Hopfield neural network′s stable equilibrium point;
一类多目标非线性Hopfield网络稳定平衡点的最优性证明
6) average boiling point
平均沸点
1.
New and reliable empirical correlations for predicting the average boiling points of petroleum fractions,which include mass average boiling point, molar average boiling point, cubic average boiling point and mid-average boiling point,were proposed and the deviation was analyzed.
针对石油馏分质量平均、实分子平均、立方平均和中平均沸点的校正问题进行了研究 ,提出了新的计算数学关联式 ,并进行了参数估计和误差分析。
补充资料：平坦点
平坦点
flat point
平坦点[奴侧宜盆;y皿几。城e。，a To，雌] 正则曲面上那些使密切抛物面退化为平面的点.在平坦点处，DuPin标形没有定义，C冶议洛曲率等于零且第二基本形式及所有其他的曲率也等于零. 曲线上挠率为零的点称为空间曲线的平坦点. 八.月.0~B撰【补注】平坦点有时也被称为平夸(ph几ar point)·当然此术语是由于零曲率性质而被引入的.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条