清单13给出压入操作的定义。
如果字符是个开括号，把它压入堆栈。
If the character is an opening parenthesis, push it onto the stack.
把这个操作符压入(push)堆栈。
如果字符是一个操作数，把它压入堆栈。
循环完成后，我们将数据的长度压入到序列的尾部。
After the loop is done, we push the length of the data at the end of the list.
将聚苯乙烯泡沫塑料元件压入开口直至感觉已接合。
Press styrofoam element into the opening until it is felt to engage.
每次在跟踪文件中碰到一个入口地址时，就将其压入堆栈。
Each time an entry address is encountered in the trace file, it's pushed onto the stack.
在进行一些初始化之后，您可以将当前的坐标矩阵压入堆栈。
After some initialization, you push the current coordinate matrices to the stack.
继续把肩胛骨压入背部，拓宽它们，拉它们朝向尾骨的方向。
Continue to press the shoulder blades against the back, widen them, and draw them toward the tailbone.
将混合物倒入准备好的盘子中，压入盘子底部，直到盘子两侧。
Dump the mixture into the prepared pan and press it into the bottom and up the sides of the pan.
如果在执行时出现了错误，就向堆栈中压入一个lua字符串。
If an error occurs during execution, a Lua string is pushed on the stack.
空气被压入箱内，水则被挤出箱外，因此工人可以在水下工作。
Air was forced into the box and water was forced out so the workers could work underwater.
接着，当代理遇到ulink，它也会将ulink压入该堆栈。
当代理遇到simpara元素时，必定会将该元素压入堆栈中。
Essentially when the proxy encounters the simpara element, it pushes it on the stack.
在此之后，字符串的地址usort_str被压入堆栈(第30行)。
After this, the address of the string usort_str is pushed onto the stack (line 30).
您可以使用dirs命令来显示当前目录堆栈，而不会压入或弹出新目录。
You can use the dirs command to display the current directory stack without pushing or popping a new directory.
通过切换目录并再次压入目录，您可以更清楚地看到这点(请参见清单7)。
You can see this more clearly by changing the directory and pushing it again (see Listing 7).
在这个过程中，要用巨大的压力把一种沙、水和很多化学品的混和物压入地下。
In the process, a mix of sand, water and chemicals is pumped deep underground at ferocious pressure.
如果字符是个操作符，弹出两个操作数，执行恰当操作，然后把结果压入堆栈。
If the character is an operator, pop two operands, perform the appropriate operation, and then push the result onto the stack.
从多个线程的角度来看，完全可能有两个或更多线程同时试图把数据压入堆栈。
From the standpoint of multiple threads, it is entirely possible that two or more threads were simultaneously trying to push data into the stack.
如果你向堆栈压入数据2,4,6，然后弹出栈两次，你将按照顺序得到6与4。
If you push the Numbers 2, 4, and 6 onto a stack and then pop the stack twice, you will get 6 and 4, in that order.
现在将三个参数压入堆栈，并调用print_array 10函数(第37行)。
Three arguments are now pushed onto the stack, and the print_array10 function is called (line 37).
另一种方法是将混凝土浇注到足够的厚度，然后将钢筋网压入到其中预先确定的深度。
Another method is to pour the entire thickness of concrete and then force the steel mesh down into it to a predetermined level.
当我们在应用程序中单击的时候，新的事件将被压入堆栈顶部，指针指向最后添加的元素。
As we click around in the application, new events will be pushed onto the top of the stack, and the pointer will identify the last element added.
针对这个问题，该团队已经开发出一种新方法：将由陶瓷粉末制成火花塞大小的激光器压入汽缸中。
The team has been developing a new approach to the problem: lasers made of ceramic powders that are pressed into spark-plug sized cylinders.
该目录列表的行为就像一个堆栈——您将一个目录压入堆栈顶部，并从顶部弹出一个目录以取回它。
The list of directories ACTS like a stack — you push a directory onto the top of the stack, and pop a directory off the top again to get it back.
首先看一看addresource方法，它用于将记录压入历史堆栈的堆栈顶部(参见清单2)。
Let's first take a look at the addResource method, which will be used to push items onto the end of the history stack (see Listing 2).
对于内燃发动机来说，增压器和涡轮增压器就像是类固醇，通过将空气强行压入汽缸提升发动机功率。
Superchargers and turbochargers are like steroids for IC engines, forcing pressurized air into cylinders to boost power and efficiency.
假设线程A试图把20压入堆栈，线程B 试图压入30，而线程 A先获得了时间片。
Say you have Thread A trying to push 20 and Thread B trying to push 30 into the stack, and Thread A got the time slice first.
假设线程A试图把20压入堆栈，线程B 试图压入30，而线程 A先获得了时间片。
Say you have Thread A trying to push 20 and Thread B trying to push 30 into the stack, and Thread A got the time slice first.
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