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The C code in the calling thread can run freely of and in parallel with other Python threads, as long as it doesn't reenter the Python C API until it reacquires the lock.

调用线程中的C代码可以自由地和其它Python线程并发运行，但是重入Python C API时必须重新获取锁。

The C code in the calling thread can run freely of and in parallel with other Python threads, as long as it doesn't reenter the Python C API until it reacquires the lock.

调用线程中的C代码可以自由和其它Python线程并发运行，但是重入Python C API时必须重新获取锁。

You should now have a very good understanding of all the different tools and techniques used for setting up Python and Pylons and hopefully you have a virtual Python environment set up and ready to go.

你现在应该对用于设立Python和Pylons环境的所有不同工具和技术有一个很好的了解，并希望你有一个已建立虚拟的Python环境，然后一切就绪准备开始。

Unlike self- contained and less flexible languages, Python has so many different interfacesto other systems that it is powerful enough in features and robust enough that entire systems can be prototyped completely in Python.

与那些封闭僵化的语言不同，Python有许多面向其他系统的接口，它的功能足够强大，本身也足够强壮，所以完全可以使用 Python 开发整个系统的原型。

Because there is no one standard library for heterogeneous arrays and hash tables (Python dictionaries or "dicts" for short) in C, they are often reimplemented and copied to each new project. This process is messy and error prone. C++ improves the situation with the standard tem- plate library, but the STL can hardly compare to the simplicity and readabil- ity of Python's built-in lists and dicts.

79因为在 C 语言中，没有针对不同数组和哈希表的标准库，所以它们经常需要被重复实现，并被复制到每个新的项目中去，这个过程混乱而且容易产生错误。C++使用标准模版库改进了这种情况，但是标准模版库是很难与Python内建的列表和字典的简洁和易读相提并论的。

We won ' t go over the Tk widgets in detail as there is plenty of good docu- mentation available on them, either from the Tkinter topics page at the main Python Web site or the abundant number of Tcl/Tk printed and online resources (some of which are available in Appendix B).

我们不准备对所有Tk组件一一详细讲解，因为已经有许多关于它们的很好的文章可供参考--不论是从Python网站的Tkinter主题页面还是数量可观的Tcl/Tk印刷品，抑或是在线资源（其中一些可以在附录B中找到）。

We won't go over the Tk widgets in detail as there is plenty of good docu- mentation available on them, either from the Tkinter topics page at the main Python Web site or the abundant number of Tcl/Tk printed and online resources (some of which are available in Appendix B).

我们不准备对所有Tk组件都一一详细讲解，因为已经有许多关于它们的很好的文章可供参考--不论是从Python网站的Tkinter主题页面还是数量可观的Tcl/Tk印刷品，抑或是在线资源（其中一些可以在附录B中找到）。

In a future version of Python, this will be the algorithm of the division operator.

在未来版本的Python 中，这将是除法运算的标准行为。

As we now know, Python identifiers must start with an alphabetic character.

我们知道，Python标识符必须以字母或下划线开头，后面跟字母或者数字。

W* Alphabetic first character, additional characters can be alphanumeric almost equivalent to the set of valid Python identifiers

第一个字符是字母，其余字符，是字母或数字它几乎等价于Python语言中合法的标识符

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。