His firm runsseminars for people -- say, security staffers at airports -- who want to studyhis "micro-expression expression training tool" system to see whomight actually be dangerous.
他的公司为大众举办讲座（比如机场安检人员），教他们学习“微表情训练工具”，并以此识别真正的危险人物。
It is generally intelligible and coherent, with some fluidity of expression, though it exhibits some noticeable lapses in the expression of ideas.
它尽管在陈述观点的方面表现出明显缺陷，但总体是可理解且连贯的，并且表达上具有一定的流畅性。
This package offers an engine that performs operations on character sequences by interpreting patterns, a pattern being a compiled expression of a regular expression.
该包提供了一个引擎，可以通过解释模式对字符序列执行操作，即模式成为正则表达式的编译表达式。
Evaluating a postfix expression is simpler than directly evaluating an infix expression.
对后缀表达式求值比直接对中缀表达式求值简单。
Note that, when a newline is seen after an expression, the value of the expression is simply printed.
注意，当在一个表达式后面发现一个换行时，表达式的值就会被直接打印出来。
If there are no steps in the query expression, the query expression results in the start node, pending any additional filtering.
如果查询表达式中没有任何步骤，则查询表达式将产生开始节点，挂起任何附加的筛选。
Libraries are guaranteed that once they have a reference to an expression tree, that expression tree will never change.
函数库被保证，一旦这些函数库引用了一个表达式树后，表达式树就不再改变。
He's not interested in your sort of expression of that meaning or my expression of that meaning.
，他不关注作品在用,你的还是我的表达方式来表现内涵。
A list expression is any expression that returns a list of resources or a result that can be converted to a list of resources.
列表表达式是返回一列资源或可以被转换成一列资源的结果的任何表达式。
The nice thing about the regular expression is the ability to customize the regular expression used.
正则表达式的一个优点是能够定制所使用的正则表示式。
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)。
A topic expression is defined in terms of expression type, fully qualified topic name, and prefix mapping.
主题表达式包含表达式类型、完全限定主题名称和前缀映射。
Each expression returns a value that depends only on the operands of the expression, and no expression has any side effects.
每个表达式仅根据其操作数来返回值，并且都不会产生副作用。
When the expression is executed, the expression is evaluated, and the results assigned to the pattern.
在执行表达式时，计算表达式并将结果赋值给模式。
Rather, just the expression resulting from the SQL expression template should be used from the nested measures.
相反，应该只使用嵌套度量的SQL表达式模板产生的表达式。
In many cases, it is possible to write a query by using either a FLWOR expression or a path expression.
在很多情况下，可以任意使用FLWOR表达式或路径表达式编写查询。
Item 2 is interesting, because it means that you can write a lambda expression into an expression tree, reason about it, etc, and then turn it into a callable delegate.
其中第二条是很有趣的，因为它意味着你能将一个lambda表达式复制进一个表达式树，推断它，并将它转换为一个可调用委托。
This condition is specified through a formal expression created using the Expression Builder (see the sidebar Expression Builder).
这个条件是通过一个用ExpressionBuilder（参阅 Expression Builder）创建的正规表达式来指定。
One noteworthy point about creating a join expression is that every time you join from an expression, it returns a new join expression, as shown in Listing 9.
创建连接表达式需要注意的一个地方是，每次连接一个表达式时，都会返回一个新的表达式，如清单9所示。
And, to boot, the fact that, because the if expression is an expression returning a value, the return from sort is implicitly the (single) expression in the definition of sort .
事实上，在引导装入程序之后，因为if表达式是返回某个值的表达式，所以从sort返回的是sort的定义中的(单个)表达式。
To do this, you need to define sets of three XPath expressions: a subject expression, a predicate expression, and an object expression.
为此，您需要定义由三个XPath表达式组成的集：一个主语（subject）表达式、一个谓语（predicate）表达式和一个宾语（object）表达式。
Converting infix expression to a postfix expression.
中缀表达式到后缀表达式的转换。
However, without the square brackets the XQuery expression is a Boolean expression which always returns a Boolean value and never the empty sequence.
然而，如果不使用方括号，XQuery表达式就是一个总是返回boolean值的Boolean表达式，而不会返回空序列。
For example, the join class contains a left-join expression, a right-join expression, a join type, and a join criteria.
举例来说，join类包含一个左连接表达式、一个右连接表达式、一个连接类型和一个连接标准。
This USES the regular expression module (re) to create a compiled regular expression from the regular expression the user enters in line 8.
它使用正则表达式模块(re)，由用户在第8行输入的正则表达式创建已编译的正则表达式。
Click the canvas, and then connect the string expression to the log expression by right-clicking the text expression, selecting Add - Link, and then clicking the Print to log utility.
单击画布，然后右键单击文本表达式，选择add-Link，然后单击“Printtologutility”，从而将字符串表达式连接到日志表达式。
Any tag attribute may include a dynamic XPath expression, which is an XPath expression surrounded by braces ({and}).
任何标签属性都可能包含一个动态的XPath表达式，是由括号({和})所包含的XPath表达式。
Finally, the last expression applies the lambda expression to the list containing (101 102).
最终，最后一个表达式对包含 (101 102)的列表应用这个lambda 表达式。
Then apply the aggregation function to the SQL expression resulting from the SQL expression template to form the SQL expression for the measure.
然后，对从SQL表达式模板产生的SQL表达式应用聚合，形成度量的SQL表达式。
Then apply the aggregation function to the SQL expression resulting from the SQL expression template to form the SQL expression for the measure.
然后，对从SQL表达式模板产生的SQL表达式应用聚合，形成度量的SQL表达式。
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