... pole of a conic 二次曲线的极点 pole of a line 线的极点 pole of a plane 面的极点 ...
双语例句
1
Pulling Down the Hill: The pole swing should be early. It is a sensation of being pulled down the fall line with the pole plants.
拉下山:雪杖的摆动要及早。要有一种被点杖拉下滚落线的感觉。
2
On the second trip of the afternoon he ran into a crowd about half way along the line, that had blocked the car's progress with an old telegraph pole.
他下午第二次出车时,开到半路遇到了一群人,他们用一根旧电线杆挡住了电车的去路。
3
Based on the stress performance of steel poleof transmission line, the steel pole is simplified as a matter of cross bending and torque with variable sections and complex loads.