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- breeding of natural enemies 天敌繁育
- It provided basic technological guarantee for enlarging scope of biological control to feed artificially Sitotroga cerealella and enlarged the kinds of natural enemies by artificial breeding. 摘要人工饲养麦蛾，扩大人工繁殖天敌的种类，为扩大生物防治范围提供基础的技术保证。
- Generally, the FD treatment has decreased the densities of natural enemies and saprophagous insects . 覆膜旱作田天敌及腐食者密度低于灌溉田。
- Investigation of natural enemies in tobacco storage showed that there are 11 species in 3 class,7 order,10 family. 对贵阳地区的烟仓害虫天敌种类进行了调查。 结果表明,其天敌共有11种,隶属3纲、7目、10科;
- The islanders are a strong breed of people. 这些岛上的居民是一种体格强壮的人。
- Introduction of natural enemies such as Rodolia cardinalis Muls.,Cryptolaemus montrouzieri Muls. 引进澳洲瓢虫、孟氏隐唇瓢虫、松突圆蚧花角蚜小蜂均是我国生物防治成功的例证；
- In this dissertation, the control of natural enemies on diamondback moth (DBM) , Plutella xylostella （L. 本文首先对十字花科菜田天敌对小菜蛾种群的控制作用进行了研究；
- Spaniel is a breed of dog with large ears. 西班牙猎狗是一种长着大耳朵的猎狗。
- Resources of natural enemies of insect pests in apple orchard were systemally studied in apple orchards in Shanxi province. 摘要对陕西不同地区苹果园天敌昆虫进行了调查研究，结果获得天敌昆虫17种，隶属于8目11科。
- Result:There were 38 species of Lycium barbarum pests and 23 species of natural enemies,the occurrence of them were closely related. 结果:宁夏枸杞害虫有38种,枸杞害虫天敌有23种,不同害虫发生数量和为害时期各不相同,天敌的种类和发生数量与害虫的发生密切相关。
- We have the finest breed of sheep. 我们拥有最优品种的羊。
- Give full play to the traditional advantage of breeding of mulberry silkworm and ramie planting to increase the production and quality of natural fibre materials such as cocoons, hemp and cotton. 充分发挥我省桑蚕养殖传统优势和苎麻种植优势，提高茧、麻、棉等天然纤维原料的产量和质量。
- Studies on the life table showed that key influencing factors on the dynamics of natural population of Rhopalosiphum padi Linnaeus were weather and natural enemies. 试验表明，影响禾谷缢管蚜自然种群变动的主要因素是气候和天敌。
- The niche and competition among species of natural enemies and pests in different intercropped and managed jujube orchard ecosystems in Taigu were studied. 对太谷地区枣园生态系统中主要害虫、天敌的时间、空间生态位及不同营养层物种间竞争进行了调查研究。
- Controlled inflation is a different breed of cat from runaway inflation. 有控制的通货膨胀与抢劫控制的通货膨胀是两回事。
- One of the supriority is the Paederus fuscipes Curtis on rice field insects of natural enemies, the density about 45000 per mu on dry rice field of winter, of which over 30 kinds insects pest were preyed. 主要种青翅蚁形隐翅虫是广西稻田天敌昆虫的优势种之一,板田越冬虫口密度达45000头,其捕食的害虫种类达30多种。
- The ability of natural enemies to control the pests in Arboretum which is in suburb and better management level are the strongest and can cut down the pests species amount effectively. 捕食性天敌在时间上能有效跟随害虫并控制其危害。地处市郊、管护措施较好的植物园天敌昆虫对害虫的控制能力最强，能有效地减少害虫的种群数量。
- We visited a museum of natural history. 我们参观了一个自然博物馆。
- A new breed of politician; a new breed of computer. 与众不同的政治家; 新型的计算机
- The niche breadths of natural enemies of the wheat aphids in wheat, barley and oat fields in Tacheng and Ili, Xinjiang Uygur Autonomous Region were estimated on the basis of investigation in 1990. 利用生态位理论，对新疆塔城、伊犁两地区麦田麦蚜主要天敌类群瓢虫类、食蚜蝇类、斑腹蝇类、蚜茧蜂类和蚜小蜂类的生态位宽度和重叠度进行了计算和分析。
