This article extends snake lemma to two snakes lermma,and entends 3×3 lemma to 3×n lemma 3×3×3 lemma,Moreover,it studies some problems on exact plane,exact cube as well as problems on cubic commtative diagrams.
将蛇引理推广到双蛇引理,将3×3引理推广到3×n引理、3×3×3引理,并研究了与正合平面、正合立体有关的几个问题及立体交换图问题。
Applying neural network theory and algorithm of three- dimensional orthogonal, this paper discusses the financial warning system in complex environment.
文章应用神经网络理论和立体正交算法,探讨了面对复杂环境下的财务系统的新型预警系统,该系统解决了各因素之间互不连续、因素目标值之间的关系未知、因素和指标间的关系是一个"黑箱"的问题。
cube:a regular solid having six congruent square faces.
立方体:一种通常有六个相等的正方形侧面的正立体.
A regular solid having six congruent square faces.
立方体一种通常有六个相等的正方形侧面的正立体
A cube is a solid.
正方体是立体图形.
We are trying hard to build up an independent economic system
我们正在努力建立起独立的经济体系。
Thermodynamics of the Martensitic Transformation FCC→BCC(BCT)
面心立方→体心立方(正方)马氏体相变热力学
On the S-Regular Dihedral Covering of the Three-Dimensional Hypercube Q;
立方体Q_3的s-正则二面体覆盖
The Relativity between the Procedual Justice and the Substantial Justice and Its Relative Independent Value;
程序正义与实体公正的关联及其相对独立价值
all the soldiers came to attention as the general arrived
将军到达时,全体士兵都立正。
a square has four sides, a cube six.
正方形有四个边, 立方体有六个面。
Cubes, squares or dice - Constancy, wisdom, verity probity, and equity.
立方体、方形、骰子-坚毅、学问、耿直和公正。
This programme is being broadcast in stereo.
这一节目正用立体声播出。
The students are learning solid geometry.
这些学生正在学习立体几何学。
The radius vector of each solid is always a positive length.
每个立体的矢径总是正值长度。
Completing the government telecom regulatory system.
政府通信管理体系正在建立和完善。
This program is being broadcast in stereo.
这个节目正用立体声播放。
Guests should go up this the stairs at once
客人们请立刻上楼(正式体)
Guests should go up the stairs at once.
客人们请立刻上楼。(正式体)
Aesthetic evaluation of craniofacial architecture in 20 adults
20例正常颅颌面立体结构美学的研究
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