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1·Natural causes include drought, flooding, unfavourable weather conditions, plant disease, and insect infestation.

天然原因包括干旱、洪水泛滥、天候异常、虫害和植物疾病等。

2·So, by removing totting wood, salvage logging helps minimize the dangers of insect infestation, thus contributing to the health of the forest.

所以，通过移走这些腐烂的木头，回收性砍伐可以降低虫害侵袭的危险，进而保护森林的健康。

3·To eliminate the damage caused by mold and insect infestation, an intelligent wardrobe with automatic dehumidification and sterilization capabilities was designed in this study.

笔者在智能化家具市场调查的基础上，结合当前对智能化家具的需求，设计出一款具有自动除湿、防霉和消毒功能的智能化衣柜。

4·Vietnam, whose rice crop was hit by a major insect infestation during the harvest, announced a four-month suspension of exports to ensure that enough would be available for its domestic market.

今年的早些时候, 印度宣布为了重建其粮食储备, 暂时停止大部分的大米出口. 短短的几周后, 越南由于其稻米庄稼在收成期受到大规模的昆虫灾害袭击, 宣布4个月的大米出口暂停, 来保障足够的国内市场供应.

5·But the seeds can be consumed only after an extensive refining process removes the gossypol, a toxic chemical that helps protect the plant from insect and microbe infestation.

但是，只有在经过一道去除棉子酚的深加工精炼程序之后，棉籽才能食用。棉子酚能保护棉花植株免受昆虫及微生物的侵扰，是一种有毒的化学物质。

6·Objective To investigate infestation condition of globose spider beetle in floorboard and explore effective measures for controlling insect pest.

目的了解木地板、木制品害虫情况，探索木地板裸蛛甲防制方法。