projective plane是什么意思

用法例句

Some properties of the projective plane PG (2, 4) are given and thestrong－regularity of the Higman－sims graph is proved.

给出了投射平面PG（2，4）的一些新的性质，并给出了Higman－sims图的正则性的新证明。

A new geometry method, SOP projection plane, is developed from Poincaré sphere method.

用改进的三维庞加莱球方法———偏振态投射平面的二维几何方法分别推导出了λ/4+λ/4+λ/2组合以及λ/2+λ/4+λ/4组合实现任意偏振态变换时每个波片的位置参量计算公式。

The projection from the nucleus in the parenchyma of the pineal gland to the habenula nucleus in the golden hamsters;

金仓鼠松果体内神经元向缰核的投射

The complementarity of frequency and projection in L2 acquisition;

频率与投射在二语习得中的互补性

Events of someone going to and fro projected on to Chinese language and then the format of "V lai V qu" ("V来V去") came into being.

“V来V去”格式的认知分析汉语言文字学专业研究生：王平指导老师：杨文全教授“V来V去”是来回往复的位移事件“投射”(project)到汉语中而形成的一个语法格式，是汉族人认识发展的结果，也是汉语自身发展的结果。

Semi-projective and Objective: Two New Forms of Motivation Tests;

“半投射”和“客观性”:动机测验的两种新形式

In this paper, we characterize the projectivity of A as a left A H module and give some easier checking sufficient conditions that A H A is projective, where A H is the subalgebra of H invariants of A .

本文刻画了ＡＨＡ的投射性并给出了ＡＨＡ是投射的若干充分条件，其中ＡＨ 是Ａ的Ｈ－不变子代数。

This mapping is non-arbitrary, but subject to certain categories.

在理解概念隐喻的过程中,我们将一个域中的概念投射到另外一个域中的概念。