be caused by

The microcracks can be caused by friction, mechanical treatment, thermoelastic forces, etc.

微裂纹可能是因摩擦 、 机械作用 、 热弹性力等等原因所造成.

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.

Obstruction may be caused by chronic cicatrization.

梗阻也许是由慢性瘢痕造成的.

Roughness of the skin can be caused by bad diet.

饮食不好可能引起皮肤粗糙.

The child's headache may be caused by stress.

那孩子的头痛可能是紧张引起的.

Acute respiratory insufficiency in the postoperative patient may be caused by defective ventilation.

手术后病人的急性呼吸功能不全,可因不足的通气所引起.

Famine can be caused by variety of factors.

饥荒可能是由于各种各样的因素造成的.

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.

You see, the damage may be caused by a variety of factors.

你知道, 损害产品质量的有各种因素.

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.

Several different types of troubles may be caused by improper conditions in the evaporative-emission-control systems.

蒸发控制系统的不正常工况能引起不同类型的故障.

Brain lesions can be caused by bacterial infections.

大脑损伤可能由细菌感染引起.

Stenosis may be caused by cicatricial tissue or by compression.

食道狭窄可由斑痕组织或压迫所引起.

Global warming per se is not really the problem; the catastrophic climate changes which might be caused by it are.

全球变暖本身并不是真正的问题；可能由它引发的灾害性天气变化才是问题所在。

Cavitation can be caused by a variety of reasons.

气穴可以由各种原因引起.