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- The size of the smallest host egg that a wasp could theoretically parasitize can be determined from the wasp's egg-laying behavior. 我理解(A)选项的意思是黄蜂卵能够寄生的最小的寄主卵的大小可以根据黄蜂产卵的行为从理论上推算出来。
- Results of field experiments using Trichogramma dendrolimi and T.chilonis reared on artificial host egg to control summer generations corn borer Ostrinia furnacalis were satisfactory. 研究表明,用人工卵繁殖的松毛虫赤眼蜂和螟黄赤眼蜂对夏玉米田2-3代玉米螟均有较好的控害效果。
- A releasing container for Trichogramma reared on artificial host eggs was designed and the emergence rate was over 90%. 另外还研制了适合人工卵赤眼蜂田间放蜂的放蜂器,出蜂率达90%25以上。
- This paper was mainly to research on the standard of the quality control of mass rearing Trichogramma with artificial host eggs. 本文主要对利用人工卵大量繁殖赤眼蜂的质量控制标准进行深入探讨,并提出在繁蜂过程中影响赤眼蜂品质的关键因素。
- Using the “black box” method, the searching capacity of Trichogramma reproduced in alternative host eggs and that reared in artificial eggs were compared. 采用黑箱方法,对人工卵繁殖赤眼蜂和替代昆虫寄主卵繁殖赤眼蜂室内搜索能力进行了比较研究。
- STUDIES ON THE ARTIFICIAL HOST EGG OF THE ENDOPARASITOID WASP TRICHOGRAMMA 赤眼蜂人工模拟寄主卵的研究
- The results are as follows: (1) The chromosome behavior of T. confusum in early embryogenesis The eggs of rice moth, Corcyra cephalonica Stainton, were used as host eggs for T. confusum. 现将结果分述如下: 1 拟澳洲赤眼蜂胚胎发育早期的染色体 使用米蛾卵作为拟澳洲赤眼蜂的寄主。
- He is such a good egg that everyone liked him. 他是一个大好人,个个都喜欢他。
- The host then passed around a box of cigars. 主人这时拿了一盒雪茄烟请大家抽。
- I usually have a boil egg and a cup of coffee. 我通常吃一个煮鸡蛋,喝一杯咖啡。
- Do you want a boiled egg for breakfast? 你早饭要吃煮鸡蛋吗?
- The instar number of this mind bug was affected by its host eggs and plants, 5, 6 or 4 instars were recorded on various hosts. 黑肩绿盲蝽的若虫龄数随寄主卵和寄主植物的变化而变化,表现为5龄、6龄和4龄。
- The egg nestled in the long grass. 蛋隐藏在高草中。
- A host of friend meet him at the railroad station. 一大群朋友在火车站迎接他。
- The host team won the game by a nose. 主队以微弱优势赢得比赛。
- The host tell a joke to his guest to break the ice. 主人为了打破僵局,给客人讲了个笑话。
- He laid an egg as a folk-song singer. 他唱民歌,不受听众欢迎。
- She buy a dozen of egg in the market. 她在市场上买了一打鸡蛋。
- Chocolate egg is traditionally eat on Easter day. 人们按传统吃巧克力彩蛋庆祝复活节。
- Whisk the egg and then add the flour. 打好鸡蛋以後再加面粉。