English translation for "principal ray"

肘线
主光线
主射线
主鳍条

Related Translations:

principal moment:  主惯矩主矩

principal port:  主港主要港口

principal wife:  正妻；正室

principal bond:  主键

principal arch:  主拱

principal to:  principal本人对本人

principal road:  知路主要路

principal edition:  正本, 主版本(对航空版等其他版别而言)

principal paper:  主要文件

loan principal:  贷款本金

Example Sentences:

1.

Bear in mind that the chief ray is now principal ray . 记住，此时主光线就是主点光线。

Similar Words：

"principal radiating surface" English translation, "principal radius of curvature" English translation, "principal rafter" English translation, "principal rafter beam" English translation, "principal raw material" English translation, "principal reactance" English translation, "principal reaction" English translation, "principal real right" English translation, "principal refraction index" English translation, "principal refractive index" English translation