An analysis is made on the incidence, types and precipitatingfactors of cardiac arrhythmias associated with chronic pulmonary heart disease in 100 hospitalized patients.
本文对100例慢性肺源性心脏病住院患者并发心律失常的发生率，类型与有关因素进行了分析。
2
The status of air-flow distribution is one of the important factors affecting the precipitating efficiency of ESP.
电除尘器内部的气流分布情况是影响电收尘器除尘效率的重要因素之一。
3
The factors influencing precipitating type of carbon atom in cast irons include: alloys factors, cooling rate and nucleus conditions of the melt.