Listing 2 shows an array constructor with four elements with values given by the NULL constant, a variable, a literal and a scalar sub-query, respectively.
清单2显示具有4个元素的阵列构造函数，其值分别由NULL常数、变量、文字和标量子查询提供。
This paper is concerned with an initial-boundary problem of nonconvex scalar conservation laws with two pieces of constant initial data and constant boundary data.
本文研究具有两段常数的初始值和常数边界值的非凸单个守恒律的初边值问题。
The paper discusses on the hypersurfaces in locally symmetric manifolds with constant scalar curvature and gets a pinching theorem which improves the known results.
研究局部对称空间中具有常数量曲率的紧致超曲面，给出这类超曲面的一个拼挤定理，改进了相关作者的结论。
This paper is concerned with an initial-boundary problem of nonconvex scalar conservation laws with two pieces of constant initial data and constant boundary data.
讨论单个凸守恒律初边值问题的粘性消失法的整体误差估计 ，其中初始值和边界值分别是递减和递增的具有有限个间断点的分段常数函数 。
In this paper, the authors discuss the submanifolds with constant scalar curvature in a locally symmetric and conformally flat space, and obtain some intrinsic rigidity theorems.
该文研究了局部对称共形平坦空间中具有常数量曲率的紧致子流形，证明了这类子流形的某些内蕴刚性定理。
The result is extended in CHENG (1977) and li (1996) to the space-like submanifolds with constant scalar curvature in an indefinite space form.
我们把CHENG (1977)，LI(1996)的结果推广到了非定空间形式中常数量曲率的类空子流形中。
If a scalar field changes slowly, it resembles a constant, both in its fixed magnitude and in its lack of directionality;
如果纯量场变化缓慢，它就会有固定的大小，而且没有方向性，就像一个常数一样；
Visualization techniques for 3D scalar fields can be used to display constant value surfaces as well as to simulate transmission effect of X-ray.
三维标量场可视化技术不仅可以绘制等值面，而且可以模拟X线的透射效果。
Visualization techniques for 3D scalar fields can be used to display constant value surfaces as well as to simulate transmission effect of X-ray.
三维标量场可视化技术不仅可以绘制等值面，而且可以模拟X线的透射效果。
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