文章对卒中后痉挛的危害、发生机制、鉴别诊断和治疗进展，以及与上运动神经元综合征之间的关系进行了综述。
The article reviews the hazard, mechanisms, differential diagnosis, and therapeutic progress of spasticity after stroke, as well as the relationship between spasticity and upper motor neuron syndrome.
基于考虑能够用储粮害虫活动声频率特征鉴别害虫以达到准确用药降低其危害的目的，本文主要做了以下几方面的工作。
The elementary studies show that insect species can be accurately distinguished through the sound-frequency characteristics of insect activity in grain.
对于危害的鉴别和标示。
本文对此种瘿螨的形态鉴别特征、危害性和周年发生特点进行了初步研究。
The research progress of occurrence characteristics of Spodoptera exigua in coastal agricultural area of Jiangsu Province;
本文对此种瘿螨的形态鉴别特征、危害性和周年发生特点进行了初步研究。
The research progress of occurrence characteristics of Spodoptera exigua in coastal agricultural area of Jiangsu Province;
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