In briefness intro Guangzhou metro Line 2 Platform Screen Door systemic structure, run, check, maintenance and fault, Platform Screen Door systemic elements and program check.
本文简单介绍广州地铁二号线屏蔽门系统的构成、运行管理和日常巡检和维护、故障分析，并重点介绍门机系统的工作原理和屏蔽门计划检修的项目。
The best way to avoid freeing memory in a handler is to flag or record the objects to be freed and have the program check from time to time whether anything is waiting to be freed.
避免在处理器中释放内存的最好方法是，标记或记录将要释放的对象，让程序不间断地检查是否有等待被释放的内存。
One simple check would be to program a robot to check the correct course of action with a human when presented with an unusual situation.
一个简单的检查方法是，是对机器人进行编程，使其在遇到不寻常的情况时，可以与人类一起检验正确的行动方案。
Among the program features you should check are the ability to tag resources like brushes, palettes, gradients, layer groups, on-canvas text editing, and the new paint dynamics.
您应该检查的程序特性包括标记资源(比如画笔、调色板、渐变色、图层组、画布上文本编辑)的能力和新的绘图动力系统。
To switch between modes, an additional check is required in each pass of the main program loop.
要在模式间进行切换，需要对主程序循环的每次循环执行额外的检查。
The first line of defense in a secure program is to check every untrusted input.
安全的程序中第一道防线是检查每一个不可信的输入。
These tests will actually run the test program and check its output.
这些测试实际上会去运行测试程序，并检查它的输出。
Typically, the pool would just run until the program ends, but this program ends when the pool is done, so the check is necessary.
通常情况下，线程池会运行到程序结束，但是在线程池完成时这个程序才会结束，所以这个检查非常必要。
By default, it's shipped with the external program always returning success instantly; the actual license check is optional and must be explicitly enabled.
默认地，它自带总是能立即返回成功结果的外部程序；实际的许可检查是可选的，并且必须被显式启用。
Ironically, in many cases the program may not care to even check the outcome of the SELECT INTO and the condition handler's work was in vain.
具有讽刺意味的是，在许多情况下，程序甚至可能不在乎检查SELECT INTO的结果是什么，因此，条件处理程序的工作是徒劳的。
Before beginning any exercise program, check with your doctor.
在开始任何锻炼项目之前，先和医生做个检查。
Typically you check the three elements of program management: time, money, and quality.
通常要检查项目管理的三个要素：时间、费用和质量。
The first task is to check for proper usage, followed by the definition of the variables used in the program.
第一项任务是检查用法是否正确，接着检查程序中所使用变量的定义。
If a program isn't being found, first check to see whether it's installed.
如果一个程序没有找到，首先要检查它是否已经安装了。
That doesn't mean you only check data just entering into your program.
这并不是说您只需检查进入您的程序的数据。
Before beginning an exercise program, you should check with your doctor.
你应该在开始一个训练计划之前做个体检。
Check the documentation for your file system-specific FSCK helper program to learn about its options.
检查特定文件系统的帮助程序的文档，了解这些选项。
The server program will read a DB2 database to check the ID.
服务器程序将读取DB 2数据库中的数据来检查该ID。
Check that the program is accessing the table and retrieving the name.
检查程序是否正在访问该表并从中检索姓名。
The right move: If you have serious heart disease, check whether your local hospital takes part in the GWTG program.
正确的决策：如果你有严重的心脏病，查问一下你所在的当地医院是否参加了GWTG项目。
Thus, you need to ruthlessly check data on all input paths into your program from untrusted sources.
因而，您需要对来自于不可信源的输入路径的数据进行严格的检查。
Check that you haven't broken anything by rebuilding the program and rerunning the test.
再次重新编译程序，并运行测试。
Later I joined the Hertz Gold Card program — the check-in process is automatic for Gold Card holders — so my country of origin needn't be the subject of ongoing debate.
后来我加入了赫兹的金卡计划——金卡会员可以自动登记——就不用再为我的原籍国争论不休了。
Authors: Model-based analysis USES a model program — a kind of executable specification — to check specifications or designs, including communication protocols for example.
作者：基于模型的分析使用了一个模型程序——一种可执行的规格说明书——去检测规格说明或者设计，例如包含了对通信协议的检测。
Check that the FTP program on the server has given your userid permission to read, write and delete files.
检查服务器上的FTP程序已授予您的用户ID读、写和删除文件的权限。
Fourth Example check the parameters to a user program function.
第四个示例检查用户程序函数的参数。
This entry USES an ext3 file system, which is supported in Linux kernel versions 2.4.16 and higher, and the order for file system check (FSCK) program is set to 2.
该条目使用一个ext3文件系统，这种文件系统在2.4.16版或更高版本的Linux内核中均受支持，文件系统检查(fsck)程序的顺序被设为2。
When a call to the log method is found, we check to see if the program counter is outside the if block determined earlier.
找到对log方法的调用后，我们检查程序计数器是否在前面确定的if块外面。
The sample program does not check for EVENT_OVERFLOW since it specifies an INFO_LVL of 1 and USES the default buffer size of 4k.
示例程序并不检查EVENT_OVERFLOW，因为它指定info_lvl为1并使用默认缓冲区大小4k。
Note that the jamc implementation does not perform a complete type check of a program.
jamc实现不执行完整的程序类型检查。
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