Is there a formal name for the border of lunar night and day?

月亮上的白昼与黑夜有什么正式的名称吗？

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The formal name was determined by the gracious winner of a coin toss.

正式名称视抛硬币猜正反面幸运获胜者而定。

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The more formal name for the central portion of this feature is IRAS 22298+6505.

照片中心位置更为正式的名称是IRAS 22298+6505。

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We got definition, we got name, we got a set of formal parameters.

我们已经进行了定义，我们命了名，我们设置了一些列形参。

麻省理工公开课 - 计算机科学及编程导论课程节选

Weighing 320g, the stone has been given the formal name Northwest Africa (NWA) 7034 - but is nicknamed "Black Beauty".

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Sure, it changed its formal name, and sure, it had a super ad during the Super Bowl proclaiming that it was a whole new brand of Blackberry.

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First, the formal name for what we commonly call diabetes is diabetes mellitus, which translates from the Greek as making lots of urine with sugar in it or making lots of sweet urine.

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