Study the disease occurrence rule and devoloping direction. in elder patients retrospectively.
目的回顾性调查分析住院老年人疾病发生规律和病谱趋势演变。
Occurrence Rule and Control Measure of Main Diseases and Insect Pests on Liriope spicata ( Thunb ) Lour .
与麦冬主要病虫害发生规律及防治措施> > 相似的文献。
Their morphology, damage and occurrence rule were introduced, and the integrated control technique was given.
并介绍了其形态、为害和发生规律，提出了综合防治技术。
This paper summarized the symptom, pathogen, and occurrence rule and control measures for these diseases. The integrated control measures were put forward and some new control measures were dis...
综述了板蓝根主要病害的症状、病原菌、发生规律和防治方法，并对综合防治方法进行了探讨和展望。
The rule is that any given group must have only one occurrence of each member node.
规则是在任何给定的分组中，每个成员节点只能出现一次。
As a contractor, it is necessary to learn about source of project risks, nature and rule of occurrence, especially in the bidding and contract period, effective management shall be available.
作为承包商应该了解和掌握项目风险的来源、性质和发生的规律，尤其在项目的投标及合同阶段应实行有效的管理。
RESULTS: The general rule and characteristics of occurrence of adverse reactions resulted from quinolones have been summarized.
结果：归纳总结出氟喹诺酮类药物的不良反应发生的一般规律和有关特征。
The key of the utilization of flood resource is to know flood occurrence course and movement rule, and flood routing state can be reappeared.
洪水资源利用的关键在于了解洪水的发生过程及其运动规律，再现洪水的演进状态。
It is of practical value to study the rule of fire occurrence and its evolutional trend.
研究火灾发生的规律及发展趋势，具有实用价值。
Abstract: The disastrous rule of rice planthopper occurrence in Jianghuai rice region and its forecast techniques were studied.
文摘：研究了江淮稻区白背飞虱和褐飞虱的成灾规律，以及稻飞虱灾变的短、期预测技术。
The disastrous rule of rice planthopper occurrence in Jianghuai rice region and its forecast techniques were studied.
研究了江淮稻区白背飞虱和褐飞虱的成灾规律，以及稻飞虱灾变的短、期预测技术。
Objective Find out the characteristics and rule of occurrence and death so as to provide a basis for establishing policy.
目的探讨安庆市主要传染病发病和死亡的特点和规律，为卫生行政部门提供决策依据。
Objective Find out the characteristics and rule of occurrence and death so as to provide a basis for establishing policy.
目的探讨安庆市主要传染病发病和死亡的特点和规律，为卫生行政部门提供决策依据。
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