员工离职率的控制和改善。
方法：通过维持体温，改善缺氧，合理喂养，预防和控制感染等措施。
Methods To maintain temperature, improve oxygen-deficiency, feed properly, and prevent and control infection.
我们认为，改善基础是，适当控制和引导的变化。
We believe that improvement is based on, properly controlled and channeled change.
交通设计和信号控制是缓解交通问题和改善交通现状有效技术措施。
Traffic design and signal control are effective measures to alleviate and improve traffic.
交通设计和信号控制是缓解交通问题和改善交通现状有效技术措施。
Traffic design and signal control are effective measures to alleviate and improve traffic.
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