基本义句指义位或义位组合后产生的字面上的意义，蕴含义与预设义都是义句基本义的下位概念。
The basic sentence meaning is one of componential or the combination of componential, while entailment meaning and presupposition meaning are both hypogyny conception of the basic sentence meaning.
上或（和）下位肾因引流不畅导致相应肾脏积水；
The lower position kidney or upper position kidney revealed hydronephrosis because of obstructed drainage.
腰椎极外侧椎间盘突出，以坐骨神经放射痛为主，腰痛轻微、抬腿试验可以阴性，可有上位或下位神经根受压定位体征；
Extreme lumber disc herniation mainly showed radiating pain of sciatic nerve, besides slight lumbago, negative Bragards test and location sign of pressure epistatic or inferiority nerve root.
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