The object-oriented function was rewritten for PHP 5, allowing for better performance with more function and features.
PHP 5 中对面向对象的函数进行了重新编写，允许更多函数和功能提供更佳的性能。
By comparison with analogue AC servo system, some remarkable features of digital AC servo system, such op programming function, system stability and system performance are described.
通过与模拟交流伺服系统的比较，说明了全数字交流伺服系统可编程能力强、系统稳定性好、系统性能提高等特点。
The description is made of the operating principle, performance index, features as well as the hardware and sensor design and the soft ware function design.
介绍了其工作原理、 性能指标和特点，以及硬件、 传感器设计和软件功能设计。
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