It is locally convex in the sense that it has no loops and the curvature never changes sign.
它的局部是凸的，因为它没有环路，且曲率永远不会改变符号。
A leopard never changes its spots.
金钱豹永远改变不了身上的斑点。
Lies can never changes fact. & Lies have short legs.
谎言终究是谎言。 谎言站不长。
He doesn't get upset and his demeanour never changes.
他并没不高兴，他的举止从未改变。
It's knowing your infinite Beingness that is eternal and never changes.
那就是知道你的无限的存在本质是永恒的并且永远不变的。
He traveled with us and he went through meetings, and Rudy never changes.
他和我们一起去各州宣传，一起开会，他从未改变。
A UUID key is guaranteed to be unique and never changes within a UDDI registry.
uuid键必须是唯一的，并且在一个UDDI注册中心中从来都不会变化。
Tat: If there is only one ‘her’, who never changes, how can ‘she’ become better?
答：若“她”是世上独一不二之人，又从不发生改变，那“她”如何完善自己呢？
Tat: If there is only one 'her', who never changes, how can 'she' become better?
答：若“她”是世上独一不二之人，又从不发生改变，那“她”如何完善自己呢？
Well, someone once said: What we are, never changes, but who we are, never stops changing.
有人曾经说过，我们的组成无法改变，但我们成为什么样的人是一直在变的。
I don't want to. He never changes his bad habit. And forget everything that we did for him.
我不想帮。他从不去改变自己的坏毛病。把我们为他所做的一切都忘得一干二净。
Even though more friends have appeared in my life, your position in my heart never changes.
即使我的生活中出现了其他的朋友，你在我心中的位置也永远不会改变。
God is like a mirror. The mirror never changes but everybody who looks at it sees something different.
上帝就像一面镜子。镜子从不变化，但每个照镜子的人都会看到不同的东西。
Uniform circular motion occurs when an object goes around in a circle and when the speed never changes.
匀速圆周运动发生在，当物体沿着一个圆环滚动，速率恒定的情况下。
I love photos, because the best thing about it is that it never changes even when the person in it does.
我喜欢照片，因为照片最好的就是不会改变，就算照片里的人改变了。
A second reason for its inappropriateness as a metaphor is that the DNA of a person almost never changes.
这个比喻不恰当的第二个原因，就是人的DNA几乎不变。
One thing that never changes is that some people will avoid the phone because they don't like to be rejected.
永远不会改变的一件事是，很多人避免打电话是因为他们不喜欢被拒绝。
The monetary unit's purchasing power never changes evenly with regard to all things vendible and purchasable.
货币单位的购买力，决不会随著所有可买卖的货物齐一地变动。
Neither locks nor transactions really matter because the cache never changes once it has been loaded from the database.
无论是锁还是事务都没影响，因为缓存自数据从数据库加载后就不会改变。
However, one thing that never changes is that they are family who have lived together and looked at the same direction.
但永恒不变的是，他们是住在一起的一家人，有着相同的思维。
He that never changes his opinions, never corrects his mistakes, and will never be wiser on the morrow than he is today.
一个人如果从来不改变他的观念，不修正错误，那麽他的明天永远都不会比今天更聪明智慧。
The aperture through which the sand runs is so tiny that first it seems as if the level in the upper glass never changes.
沙子穿过的孔太小了，第一次看到它时就好像上面的沙子永远没有变化。
Your rising sign can only be determined by having your natal chart done, but once you do, your rising sign never changes.
您的上升迹象是由您所带有的先天星盘或者出生星盘所决定的，但一旦你做了，你上升的迹象将不会改变。
Your rising sign can only be determined by having your natal chart done, but once you do, your rising sign never changes.
您的上升迹象是由您所带有的先天星盘或者出生星盘所决定的，但一旦你做了，你上升的迹象将不会改变。
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