When this macro executes, it will match the my-if expression up to the template like this (in other words, matching a macro invocation to a macro definition pattern).
在这个宏执行时，它按照以下形式将my - if表达式与模板进行匹配(换句话说，将宏调用与宏定义模式进行匹配)。
He began to walk about, looking up in the trees and at the walls and bushes with a thoughtful expression.
他开始四处走动，向上望着树木、墙壁和灌木丛，脸上带着若有所思的表情。
The main part of pattern matching is coming up with the expression to use.
模式匹配的主要部分是关于要使用什么样的表达式。
Smiles are the most easily recognizable facial expression: People can recognize smiles from up to 300 feet away, making it the most easily recognizable facial expression.
笑容是最容易识别的面部表情：笑容在300英尺之外就能识别出来，是最容易识别的面部表情。
Otherwise, if the expression is not a constant, another macro function is called to round up the value to a power of two.
如果表达式不是常量，就调用另一个宏函数把值向上取整到2的幂。
Up to this point, you've seen how the if statement can be used to execute one of two blocks of program statements, depending on the value of a particular Boolean expression.
至此，已经看到了if语句可以如何用于根据一个特定布尔表达式的值，来执行两个程序语句块中的其中一个。
Coming up with the right regular expression and then working with the results of the Matcher class is really all there is to the library.
提出正确的正则表达式，然后使用matcher类的结果，这就是这个模式匹配库要做的全部工作。
The first template uses an XPath expression to look up the value from the <http-params> section.
第一个模板使用XPath表达式从
The decision to put the buildings up for sale followed an expression of interest in them, the person said.
这位人士说，在有人表示对汇丰控股的办公楼感兴趣之后，该行做出了售楼的决定。
Up to the last moment, Madeleine had the crazy hope that this expression of weakness might in fact be strength.
直至最后一刻，玛德琳还在毫无来由地希望，这种示弱的表现也许实际上正是一种坚强。
When he left to go up the line, they looked at him with a solemn expression.
当他出发去前线的时候，他们用严肃的神情望着他。
But those studies were flawed because they relied on the change in the baby's facial expression upon receiving the sugar, from puckered-up to relaxed, as proof that it works, the new study says.
新研究评述道，这些研究其实是存在缺陷的，因为他们是依据婴儿在喂糖之后面部表情由皱着脸蛋变为放松来作为有效的证明。
I run to pick it up, holding it in my trembling, frozen fingers. In my world of death, this apple is an expression of life, of love.
我跑过去，用颤抖僵硬的手指捡起苹果，在我所处的那个死亡的世界里，这个苹果闪耀着生命的光辉，爱的光辉。
When you use.. in an expression, it instructs the expression to work up one level from the current node in the hierarchy (again, similar to working with directories in UNIX operating systems).
当在表达式中使用. .时，它能指示表达式从层次结构中的当前节点上提一层(这亦类似于unix操作系统内目录的处理)。
You can also set up the Boolean expression to call a method.
也可以建立布尔表达式以调用方法。
There are always exceptions, of course, and it is totally up to you whether you choose gracefulness to be an expression of your femininity.
但总有例外，当然，是否选择优雅作为女人味的体现，完全取决于你自己。
This file name passes the filter because the regular expression matches - up to the line end, the rest does not matter. The correct expression should read.
这个文件名能通过这个过滤器因为这个正则表达式能一直匹配到行尾，其余的都不重要。
For example, find the value attribute of the button in the Properties view and click the icon next to it to bring up the familiar binding dialog to generate a JSF binding expression.
例如，找到Properties视图中按钮的值属性，并点击该按钮附近的图标，以打开已见过的捆绑对话框，生成一个JSF捆绑表达式。
One of the three may come up with something "insanely great", an expression used at Apple in times past to describe the original Macintosh computer.
三巨头中的一个可能会遇到“疯狂的好”的东西。这个词，是Apple最开始用来形容Macintosh电脑的。
You can use this to break up your regular expression into more readable parts.
你可以使用这个特性轻松地使你的正则表达式分为更多的可读部分。
Having made a sufficient reference to traditional Chinese aesthetical experience, Vernacularizing tends to stir up the poetry characteristic and liveliness of Chinese language in literary expression.
母语化是对中国传统审美经验作充分的借鉴和吸收，以激活汉语言在文学表达上的诗性和灵性。
On the "Edit data set parameter binding" pop-up window, click the Open Expression Builder button (to the right of the Value field), as Figure 10 shows.
在“Editdatasetparameterbinding”弹出窗口中，点击openExpressionBuilder按钮(Value字段的右边)，如图10所示。
Your task to lift up is in our opinion made more easy by living now to the highest expression of yourself.
以我们的观点来看，通过现在活出你们自己的最高表达，你们的举扬的任务变得更加容易。
Employees at humble jobs have to carefully weigh up the employer's words and closely watch their expression.
员工在卑微的工作需要仔细权衡其雇主的单词和密切关注他们的表达式。
Any expression which is used to build up a compound sentence out of simpler sentences will be called a sentential operator, because it "operates" on sentences to produce more complex forms.
任何一个用于从简单句子构成复杂句的表达项称为一个句子运算符，这是因为它在句子上进行“运算”以产生出更复杂的形式。
I went up to him, however, as though I had no inkling of anything from his expression, and I embraced him.
不过我装作没有从他的脸上猜出什么，我走到他的跟前，拥抱他。
The expression of knowledge by XML can be extensively applied to teaching so as to set up a new learning environment and adapt a cooperative new learning model.
基于XML的知识表示可以广泛地应用到教学中去，以构建新的学习环境，适应新的协作学习模式。
Any such violent expression as' breaking up, 'would have been quite inapplicable to that polite establishment.
任何像“散伙了”这样一些激烈的措辞，对于这个崇尚礼仪的学校来说，都是很不合适的。
When the woman hear him speak, and looked up to his face, her expression showed both pain and happiness. She gave a cry, and fell to the ground, unconscious.
那个女人听到他说话，又抬头看看他的脸，显得既痛苦又幸福。她发出一声喊叫，倒在地上不省人事了。
When the woman hear him speak, and looked up to his face, her expression showed both pain and happiness. She gave a cry, and fell to the ground, unconscious.
那个女人听到他说话，又抬头看看他的脸，显得既痛苦又幸福。她发出一声喊叫，倒在地上不省人事了。
应用推荐