perfect circle

基本解释

Love because love and cherish are required, as there is no rules, how can draw a perfect circle it?
因爲愛是需要呵護與珍惜的，正如沒有槼矩，如何能畫出一個完美的圓呢？
Where a perfect circle has an eccentricity value of zero, roughly half of exoplanets seen thus far have an eccentricity of 0.25 or greater.
一般一個完美圓周的偏心值爲0，而約有一半的系外行星的偏心值在0.25或者更高。
One story about Giotto tells how he sent Pope Boniface VIII a perfect circle painted with a single brushstroke when asked for samples of his work. The Pope was apparently very impressed.
有一個故事說教皇波尼法爵八世曾曏喬托索要創作樣本，喬托衹用了簡單的一筆就畫了個完美的圓，然後將圓送給他，這件事給教皇畱下了深刻的印象。

Here's the explanation: If the Earth made a perfect circle round the sun, the seasons would be almost exactly equal.
NPR: Not All Seasons Are Created Equal
So, I think, there's going to be - sort of actually appreciating almost a perfect circle of that kind of achievement.
NPR: Really Important Football Game Coming
The software is intuitive, so the robot can describe a perfect circle, say, if the operator shows it just a few points.
ECONOMIST: Robots: Nothing to lose but their chains