You can also use import to introduce other non-constant members as well. For example, consider a math utility library (of questionable value perhaps, but still...) in Listing 6.

也可以使用import来引入其他非常量的成员。

youdao

On the other hand, in the first solution, If you want the top and bottom of the views to align, you must make sure their top and bottom constraints use the same constant value.

另一方面，在第一种方法中，如果想要红蓝视图的上部和底部对齐，你必须确保它们的上部和底部使用了同样的常量值。

youdao

AdArray 0x2000 a flag value combined with another data type constant. Indicates an array of that other data type.

一个标记值，它是与其他的数据类型常数结合在一起使用的。它指明了包含其它数据类型的数组。

youdao

Many analysts have attempted to value gold in other ways, such as by assuming a constant ratio between the gold price and consumer prices, personal incomes, the amount of U.S. dollars in circulation or the value of the world's financial assets.

WSJ: Upside: The Great Gold Divide: Which Side Are You On?