direct cause中文什么意思

例句与用法

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1. " there is biological plausibility in inferring that breast - feeding protects against bed - wetting and our results show a strong statistical association " although not enough to prove a direct cause - effect
   “说母乳喂养能够防止尿床，这在生物学上是能讲得通的，而且我们的研究结果也为此提供了有力的数据支持。 ”但这些数据还不足以证明二者之间存在直接的因果关系。
2. The results illustrate that in the driven magnetic reconnection process generated by the dawn - dusk electric field in the magnetotail , the transportation of magnetic helicity flux via the boundaries of the system is the direct cause of the change of the total magnetic helicity in the system
   研究表明，对于由晨昏电场?生的磁尾驱动重联过程，通过系统边界输运的磁螺度通量是引起系统总磁螺度变化的直接原因。
3. The increase of the amount of water taken from river course is the direct cause why observed runoff decreases . as land cover forms the boundary between the atmosphere and the terrestrial sphere , changes in land cover may have significant implications on water resources
   针对减少的径流量，本文还提出了将它分为气候影响、人类活动可还原水量和不可还原水量两种，并且阐述了在现阶段，这种分类方法是切实可行的。
4. The mechanism of breakout was analyzed from the viewpoint of the behavior of liquid steel meniscus in this thesis . research shows that the damage of liquid steel meniscus is the direct cause of a breakout , and many countermeasures of improving the property of liquid steel meniscus are proposed
   本文结合钢液弯月面行为分析对漏钢形成机理进行了探讨，认为弯月面的破损是漏钢形成的直接起因，并提出了一系列改善钢液弯月面性能的措施。
5. And climatic variation is a main factor affecting desertification . the sustained period of water deficit is a direct cause of desertification in arid and semi - arid areas . the tectonic activities of lithosphere control the distribution of desertification by constructing geomorphology
   提出了自然作用在土地荒漠化演化中占主导地位，其中，气候变化是控制土地荒漠化进退的首要因素，地表水持续亏损则是导致干旱、半干旱地区土地荒漠化发展的直接原因。