be caused by
例句与用法
- The effect is caused by the escape of electrons from the hot filament .
这个效应是由于电子从热灯丝逸出而引起的。 - These lesions are caused by absorption of enough gas to kill the tissue .
造成这些侵蚀斑的原因是所吸收的气体量足够杀死组织。 - The pressure is caused by the bombardment of the container walls by these particles .
气体的压强是由这些粒子对容器壁的撞击造成的。 - Tremors are caused by p and s shock waves and are also called preliminary tremors .
地动是由P冲击波和S冲击波引起的,也称为初期微震。 - Ground water is lowered by the drainage which can be caused by any deep excavation .
任何一种深的挖方都能造成排水现象从而使地下水位降低。 - Primary gastritis may be caused by the ingestion of caustic or irritating chemicals .
由于采食有腐蚀性或有刺激性化学物质而引起原发性胃炎。 - A typical problem is caused by the ragged edges of the holes, or by dirt on the tape .
一个常见的问题是由孔的边缘不整齐或者纸带不干净所引起的。 - Faults can be ranged into two principal types which are caused by either tension or compression .
断层可分为两种主要类型,即张力断层和挤压断层。 - Inhibition of chlorophyll synthesis may be caused by etiolation, mutant blocks, or streptomycin .
叶绿素合成可以由黄化、突变性阻塞或链霉素而引起。
用"be caused by"造句