Conclusion The low culture degree is a key restricting factor of knowledge and practice of schistosomiasis control improvement.
结论文化程度低仍是制约渔船民提高血吸虫病防治知识、意识和接受措施的重要因素。
Machining precision is an important guideline of lathe, displacement detection precision of lathe is a key factor restricting lathe precision.
加工精度是机床的一个很重要的指标，机床位移检测精度是制约这个指标的关键因素。
The invalidation forms of guiding equipment have changed, the life of the bearing has become the key factor in restricting the guiding equipment′s life.
导卫装置的失效形式也因此转变，轴承寿命成为制约导卫装置寿命的关键因素。
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