principal direction

基本解释

The conception of principal direction Gaussian image (PDGI) is created.
提出了基于主方向高斯映射的概念和定义。
In the graphical method of the oblique axonometry, the affine transformation is taken as the ellipse's principal direction and the size of the principal radius.
在斜轴测的图解法中，用仿射变换作椭圆的主方向和主半径大小。
A great quantity of any angle strain rosette readings was gathered in structural test, the principal strain and the principal direction were calculated by computer program written in this paper.
在结构试验中采集得到的成百上千个任意角度应变花的读数，可用本文编写的计算机程序确定其主应变及主方向，从而替代了科研人员大量的手工计算。

Blackfriar principal analyst Carl Howe believes Jobs will make a statement about his company's direction with regard to portable devices, but that the devices themselves won't show up for a while--the Intel chips simply aren't ready yet.
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