In cases where the loop iterations are less than 1,000, you're likely to see only an insignificant amount of performance improvement over using a regular loop construct.
如果循环迭代次数少于1 ' 000次，你可能只看到它与普通循环相比只有微不足道的性能提升。
You could construct a loop here, but that feels at odds with r's functional and vector-oriented operations. Instead, the trick is to use the function apply .
可能会在这里构造一个循环，但是这与R的功能和面向向量的操作不一致。
Now, even though the "for" loop is a very powerful construct, it is often prone to misuse.
现在，尽管“for”循环是一个非常强大的结构，但它也经常被滥用。
Few people can really truly simulate in their minds a "for" loop, so errors in that construct are not uncommon.
很少有人真正能在他们脑子中模拟“for”循环，因此该结构中的错误不胜枚举。
The list control construct is similar to a for-each loop: it iterates over a collection and for each item in the collection it renders its body.
list控件的结构与for- each循环类似：它会遍历一个集合，对于集合中的每个项目，它都会进行渲染。
Oracle also allows cursors to be tightly bound to a looping statement, a construct called a cursor FOR loop.
Oracle还允许将游标与一个循环语句紧密地绑定在一起，形成所谓的游标FOR循环结构。
The difference with the do while loop, as the syntax kind of suggests, is that this construct is going to do something no matter what.
作为建议的语法，do,while循环的不同之处，是这个结构不管怎么样，它会做一些事情。
The difference with the do while loop, as the syntax kind of suggests, is that this construct is going to do something no matter what.
作为建议的语法，do,while循环的不同之处，是这个结构不管怎么样，它会做一些事情。
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