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- Table 10. The major pest infestion of each crop. 表10.;各作物发生之主要病虫害名称
- The Tetranychus mites has become the major pest to vegetables. 摘要叶螨类害虫已成为我国蔬菜、果树和花卉的主要害虫。
- Citrus whitefly has been a major pest in citrus production. 摘要柑桔白粉虱已成为危害柑桔生产的主要害虫。
- The walnut nolid moth, Nola distributa Walker, is a major pest of walnut tree in the vicinity of Peking. 核桃瘤蛾是北京市郊区核桃树的主要害虫之一。
- Diamondback moth is a major pest to endanger Cruciferae vegetables in Heshan City, which has a big influence on the yield and quality of Cruciferae vegetables. 摘要小菜蛾是合山市十字花科蔬菜生产过程中的主要虫害，对十字花科蔬菜的产量及质量造成极大的影响。
- Foodstuffs are contaminated by the silk, faecal material or frass, and the bodies of the insects themselves.A major pest of warehouses and, more recently, retail premises. 对食物的污染来自茧丝、排泄物、蛀屑和虫体本身，已成为仓库的主要虫害，近年来对零售店危害也很大。
- Epicopeia mencia moore is a major pest in the elm. There are 2 generat-ions per year,1 generation in some years and 3 uncompleted generations inspecific years in Nanchang Jiangxi Province. 榆凤蛾是榆树重要的食叶性害虫;在南昌一年发生2代;部分1代;个别年份有不完全的3代.
- Control measures of major pests and diseases are also described in this paper. 笔者还对主要腰果病虫害提出了相应的防治措施。
- The results showed that the major pests of garden plant in Huizhou were 30 species in 25 kinds of garden plants. 结果表明，惠州市25种主要园林树木中，共调查到害虫30种。
- The major pests which did harm to poplar were wood borer and defoliator.The pests and diseases of poplar in Xinyang City were introduced. 摘要目前危害杨树的病虫害主要是蛀干害虫、食叶害虫和病害。
- Rice planthopper is one of the major pests in production, which has the tendency of big-occurrence in recent years and endangers grain production greatly. 摘要稻飞虱是水稻生产上的主要害虫之一，近年来发生程度具有日趋严重的趋势，对粮食生产造成较大的威胁。
- The skirmish grew into a major battle. 小冲突扩大形成大战斗。
- Some slight incident may touch off a major war. 某个小事件可能会引发大战争。
- Local fighting might spark off a major war. 局部战斗有可能引发一场大规模战争。
- Narcotics are a major threat to health. 毒品是危害健康的大敌。
- A major has a crown on the shoulder of his uniform. 一名少校在制服的肩部有个王冠形的纹章。
- A captain is inferior to a major. 上尉的级别低於少校。
- Even a limited confrontation can escalate into a major war. 即使是局部的对抗也可能扩大成一场大战。
- There were four major quakes in this century. 本世纪有四次大的地震。
- I major in French and minor in English. 我学习的主科是法语，副科是英语。
