As the month progresses, the family members add boxes wrapped in colorful paper under the tree.
随着12月一天天过去，家里的每个人不断地在那棵“树”下摆上一些用彩纸包装的盒子。
A relational network DEA model is developed in this paper under the assumption of variable returns to scale.
在规模报酬可变的假设条件下，构建了链形系统的关联网络DEA模型。
Methods Superficial occlusal dentin of 9 molars freshly extracted was finished with 600-grit SiC paper under running water.
方法选取9颗无龋坏人磨牙，用600目碳化硅砂纸在流水冲洗下预备出统一的牙本质黏结面玷污层。
The deals are allegedly being settled on a legal stamp paper under the heading "Vivaha Anubandh" meaning Marriage Contract.
据称，双方用一种名为“VivahaAnubandh”意即婚姻契约的法律文书来完成这种交易。
Analytic formulas for combination coefficients are deduced in this paper under the assumption that the input power spectrum is C-P spectrum.
本文在输入地震动功率谱为c - P谱的假设下推导了计算组合系数的解析公式。
The friction factor between two tooth surfaces of instrument gears during one meshing process is imitatively measured in this paper under the condition of ultra-low-speed.
本文在极低速情况下，模拟测定了仪表齿轮在一齿啮合过程中两齿轮齿面间摩擦系数的变化情况。
This method researches the echo envelope model which has been simplified in this paper under range wave and time excursion, and can compute the transmitting time more accurately.
该方法研究了幅度起伏和时间漂移条件下回波包络模型，并对模型进行了简化处理，可以更准确地计算超声波渡越时间。
In this paper, decorative composite product of nonwoven fabric and cork paper was manufactured, and the adhesion between nonwoven fabric and cork paper under different technologies was analysed.
非织造布和软木纸复合制成装饰类产品，对不同工艺条件下复合的产品非织造布与软木纸之间的粘结性能进行了研究。
Lie bracket conditions of matrices of bilinear control systems are given in the paper. Under these conditions the states of a bilinear system can be triangularized.
本文给出了双线性系统系数矩阵的李括号条件，在此条件下，可使双线性系统状态三角化。
In my paper, under the premise of the characteristics of ancient poetry and the needs of teaching I make an inquiry into emotional teaching of ancient poems by content analysis, survey and comparison.
本文在古诗词特点和教学需要的大前提下，运用内容分析法、调查法、比较法，对古诗词情感教学进行了探讨和研究。
In this paper, under the gas-liquid stratified laminar and turbulent flows, and the mixture turbulence flow by aeration in pipe, the laws of drag reduction have been researched.
本文研究了圆管中气液分层层流、分层紊流及掺气混合紊流情况下的阻力减小规律。
In this paper, under the guidance of theory of error, the reliability of deformation observation network is studied.
本文从误差理论出发，讨论了变形监测控制网的可靠性。
In this paper, under the assumption of point source propagation of waves an approach of 3-d dynamic analysis of seismic response of embankment DAMS is proposed.
本文利用波的点源传播假定，建议了一种计算堤坝地震反应的三维动力分析方法。
Preconvex functions are studied by applying nearly convexity of sets in this paper. Under weaker assumptions, some equivalent conditions for preconvexity are derived.
用集合的近似凸性研究函数的预不变凸性，在较弱的假设下获得了预不变凸性的一些等价条件。
Preconvex functions are studied by applying nearly convexity of sets in this paper. Under weaker assumptions, some equivalent conditions for preconvexity are derived.
用集合的近似凸性研究函数的预不变凸性，在较弱的假设下获得了预不变凸性的一些等价条件。
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