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- Lady beetles are a natural control for aphids. Aphids are tiny insects that develop colonies on plants and eat plant fluids. 瓢虫是蚜虫的天敌。蚜虫是一种靠吸食作物汁液的群居的微小昆虫。
- Methods Male Wistar rats were injected with CCI 4, then DSHQ (1g/kg) was feeds for 8 weeks and compared with model group, normal control group and natural control group. 方法雄性Wistar大鼠制备CCI4肝纤维化动物模型 ,然后予丹芍化纤胶囊 (1 g/kg)灌胃治疗 8周 ,设正常对照组、肝纤维化模型组、自然恢复组、治疗组。
- These results implied that the reduction of predatory and parasitism natural control function should be one of the crucial factors to induce the outbreak of insect pest populations in rice fields applied with excessive nitrogenous fertilizer. 这些结果表明天敌对害虫自然控制作用的下降可能是稻田过量施用氮肥后害虫种群增加的主要原因之一。
- A man called an animal is one whom the lower nature controls. 称人为animal,指其为下等天性所制,不能自持。
- Natural enemies of tobacco pests and their roles in natural control 烟草害虫天敌及其自然控制作用
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- Ecology holds the key to discovering how to reduce fertiliser use, avoid the side effects of pesticides and use of natural controls of diseases and pests that affect crops and animal production. 生态学揭示了污染物在生态圈中迁移、累积的规律和影响、为害生命的机制,提供了减缓环境影响、维护生态健康的系统方法。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- Our motherland flows with natural resources. 我们祖国蕴藏着丰富的天然资源。
- Events took their natural course. 事态依自然进程发展。
- She has a natural wave in her hair. 她的头发自然卷曲。
- Magnetism is a natural phenomenon. 磁力是一种自然现象。
- It is difficult to be natural when one is tense. 人在紧张的时候很难泰然自若。
- The egoism of an artist sometimes seem natural. 艺术家的自负有时看起来是自然的。
- They used only natural pigments to dye the wool. 他们只用天然颜料染毛织品。
- Children are natural exhibitionists. 儿童天生喜欢自我表现。
- Everything we used was made from natural materials. 我们所用的一切都是由天然材料做成的。
- It's quite natural that you should succeed. 你的成功是很自然的事情。
- He's a natural for the role of Lear. 他是李尔王这一角色的理想人选。