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Meaning of 准线

Lookup via: Pinyin | Radicals
zhǔn 线 xiàn (Trad.: 準線)
directrix line of a parabola; guide line
Example Sentences
1
线线
The directrix line of a conic.
2
线线
Select the directrix of the new conic...
3
线
线
We just parabola, you is the focal point and I am alignment.
4
线
The bottom line is:It'syourchoice how you live life.
5
线
When you find your line in Headstand, it's a beautiful thing.