So when the program starts to loop through the files, perhaps to determine the directories overall size, it has to requery the file system one by one.

所以，在程序开始遍历这些文件的时候，假设为了确定目录的总大小，就必须逐一重新查询文件系统。

youdao

Simplicity: the program can use these node tests to select a group of elements based on their common group head element or type definition rather than enumerate all concrete element names one by one.

简单性：程序可以使用这些节点测试，选择基于共同组head元素或类型定义的一组元素，而不是逐一列举所有具体的元素名。

youdao

It is more efficient to calculate this iterator directly than to write an equivalent program that increments the iterator one by one until it reaches the middle element.

这种直接计算迭代器的方法，与用迭代器逐个元素自增操作到达中间元素的方法是等价的，但前者的效率要高得多。

youdao

The new lending program will build on one announced last November by the Federal Reserve.

VOA: special.2009.02.13

But literally all I can do at this stage is write what we would call a straight-line program, that is, a program in which we execute in which we execute the sequence of instructions one by one.

但是字面上来说,我们现在学到的,都是所谓的直线程序，也就是，一个接一个的执行,一系列的,指令的程序。

麻省理工公开课 - 计算机科学及编程导论课程节选

"This is something,after all, that first came to the attention of the American public one hundred years ago when a national health insurance program was proposed by President Theodore Roosevelt, and successive presidents, mostly Democrats but not all, have favored it."

VOA: special.2010.03.27

In the SDN approach, those control functions are split off to be managed by one central program, which may be run on an inexpensive server system.

WSJ: An Upgrade Race for Data Centers

One training program developed by former Top Gun instructor Tom Lang we have run is a one-day course intended to teach college students or others without any U .

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One of the neighborhoods targeted by the program is Pueblo Gardens, an ethnically diverse, blue-collar neighborhood in southern Tucson where residents say occasional shootings, drug busts and car thefts are not uncommon.

WSJ: Arizona gun proponents launch free gun program