This article starts with the definition of the Euclidean Geometry and the Non-Euclidean Geometry.

It was a non event; some politicians came to smile and shake hands.

那件事煞有介事; “其实”不过是一些政客出来摆摆样子,笑着握手寒暄罢了.

The election was a real non-event , only a few people voted.

这次大选实在令人扫兴, 投票的人很少.

Unfortunately, the entire evening was a total non-event.

遗憾的是，整个晚上都没什么特别有趣的事。

It was a non event; some politician came to smile and shaked hand.

那件事煞有介事; 其实不过是一些政客出来摆摆样子,笑著握手寒暄罢了.

The party was a non-event; hardly anyone came!

那聚会真扫兴, 几乎没什麽人来!

It is therefore beyond our conceptions of good and evil, right and wrong , existence and non-existence.

因此它超越于我们善与恶, 是与 非, 存在和不存在的观念.

The existence of atomic facts we also call a positive fact, their non-existence a negative fact.

我们还把原子事实的存在称为肯定的事实, 把原子事实的不存在称为否定的事实.

The picture depicts reality by representing a possibility of the existence and non-existence of atomic facts.

201图像通过表现原子事实存在和不存在的可能性来描绘实在.

The existence and non-existence of atomic facts is the reality.

06原子事实的存在和不存在即是实在.

And can you validly talk about your own non-existence as an actual experience?

你可以有效地说不存在是一种实在的经验 麽 ?

I was left with puzzlement as to the existence or non-existence of God.

我对上帝存在与否还是困惑不解。

Hygiene was non-existent: no running water, no bathroom...

卫生根本谈不上：没有自来水、没有卫生间。

Hospital beds were scarce and medicines were practically non-existent .

当时医院病床紧缺，药物根本所剩无几。

‘How's your social life? ’ ‘Non-existent, I'm afraid. ’

“你的社交生活如何？”“我恐怕没有社交生活。”

a non-existent problem

不存在的问题

Non-ferrous resources such as gold stocks shares why crazy?

黄金股等有色资源股为何如此疯狂?

Metallic materials are divided into ferrous and non-ferrous metal and alloys.

金属材料可分为黑色的和 非 铁的金属和合金.

In the economic recovery and the promotion of mobility, non-ferrous metals have a reason to rise.

在经济复苏和流动性的推动下, 有色拥有了上涨的理由.

Ideal for forging furnaces, melting of non-ferrous metals.

是一款理想的锻造炉, 非 铁金属熔炉炉头.

His main research fields are applications of inorganic non-ferrous material in electronic components.

其参与的主要科研领域是无机非金属材料在电子元器件的应用.