大学英语词汇短语释义解析及例句 causal factor


释义：

causal factor 起因；病原

例句：



If not, it is not plausible that the variable is a causal factor.

如果不是，变量是一个因素这说法就是不合理的。



The causal factor may be related to clostridia and bacillusgasoformans infections.

其病因可能与梭状芽胞杆菌和产气杆菌感染有关。



H. pylori infection is recognized as a causal factor in the pathogenesis of chronic gastritis, peptic ulcer, gastric cancer, and gastric MALT lymphoma.

幽门螺杆菌感染被认为是慢性胃炎、消化性溃疡、胃癌和胃malt淋巴瘤发病机制中的一个必然因素。



Howard J. Feldman, the director of regulatory and scientific affairs at the American Petroleum Institute, noted that the evidence of a causal factor was inconclusive for some ailments.

美国石油研究所负责监管和科学事务的所长霍华德j·费尔德曼指出，证据表明废气对某些疾病的发生并不起决定性作用。



In 1210 cases a causal factor was revealed including blood vessel compression, tumor compression, compression of arachnoid cysts and adherence, only 10 cases remained unclear etiology.

均找到了病因，包括1210例血管压迫，肿瘤压迫或蛛网膜囊肿和粘连所致，仅有10例未发现病因。