An echocardiogram is the most useful test for diagnosing MVP.超声波心动图通常是最为有用的MVP诊断性检查.Conclusion Doppler echocardiogram is important in diagnosing and differentiating pulmonary stenosis.结论多普勒超声在肺动脉瓣狭窄诊断与鉴别诊断中具有重要的价值.Transt...
Many parents find it hard to discourage bad behaviour.很多父母觉得要孩子循规蹈矩是件很难的事情。They would be sacked for criminal or scandalous behaviour.若有犯罪或不道德的行为,他们就会被解雇。This basic utilitarian model gives a relatively unsophisticated acc...
I was happy enough to laze about on the beach.可以在沙滩上懒洋洋地躺着,我高兴极了。He went to Spain for nine months, to laze around and visit relations.他到西班牙呆了9个月,在那里消闲度日,探访亲戚。What I am angry with is not his laze but ignorance.最使我生气的是他的懒散...
The modification effects of low - carbon ferrochromium and rare - earth ferrosilicon take second place.低碳 铬铁和稀土硅铁的变质效果次之.Remove of iron from sulfuric acid leaching solution of ferrochromium alloy by goethite is researche...