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solitary phase
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  “solitary phase”译为未确定词的双语例句
     PRELIMINARY OBSERVATIONS ON FLIGHT BEHAVIOR OF THE ASIATIC MIGRATORY LOCUST(LOCUSTA MIGRATORIA MANILENSIS MEYEN)IN ITS SOLITARY PHASE
     散棲型亚洲飞蝗Locusta migratoria manilensis Meyen迁移习性初步观察
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  相似匹配句对
     Effects of Phase Variations and Attenuations on Solitary Waves
     三波相位变化和衰减对孤波的影响
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     The third phase is for
     第三阶段:探究能力与再创造能力提高阶段(高三)。
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     and transition phase.
     转变 ,并析出过渡相。
短句来源
     Triple-phase enhanced MSCT in evaluating solitary pulmonary nodules
     MSCT增强三期扫描在孤立性肺结节中的研究
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     The Solitary and The Furor
     虚静与迷狂
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  solitary phase
Genetic polymorphism to a solitary phase appears to be an extinction-avoidance mechanism.
      
170 m), south-western Japan, it was revealed that the bees had an eusocial life cycle with 2 distinctly discrete brood rearing periods, i.e., a solitary phase in spring and an eusocial phase in summer.
      
Queen ovaries clearly exhibited two active periods, corresponding to the spring solitary phase and the summer eusocial phase, with distinctly greater activity in the latter.
      
This shows that solitary phase is the most vulnerable period in the annual cycle.
      
Out of 2,500 nests marked at the beginning of solitary phase in the spring, only 25.5% attained eusocial phase.
      
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This paper reviews the history of controlling the locust, Locust migratoria manilensis ,in China this century and proposes new assumptions on how to sustainably manage the insect pest.In recent years,biological control of the locust has succeeded to some extent and this strategy had developed in certain areas of our country.In order to prevent or delay development of the locust from solitary phase to gregarious one the biological agents such as Nosema locustae should be used mainly.When high density...

This paper reviews the history of controlling the locust, Locust migratoria manilensis ,in China this century and proposes new assumptions on how to sustainably manage the insect pest.In recent years,biological control of the locust has succeeded to some extent and this strategy had developed in certain areas of our country.In order to prevent or delay development of the locust from solitary phase to gregarious one the biological agents such as Nosema locustae should be used mainly.When high density occurs the IGRs or other chemicals and N.locustae must be used together at certain proportion to reduce the population rapidly,and the N.locustae disease may be epidemic in depressed locust populations in this case.The semiochemicals of locusts should be also studied and developed as one of potential measures for controlling the insect pest.

该文通过对飞蝗Locustamigratoria为害特性的描述以及本世纪我国飞蝗防治历史的回顾 ,对各个时期的飞蝗治理策略的特点及不足进行了分析 ,并在总结我国近几年飞蝗生物治理理论研究与实践的基础上 ,提出了 2 1世纪我国飞蝗生物治理的对策 ,即逐步扩大采用生物防治措施 ,增强如蝗虫微孢子虫生物防治制剂及天敌的控制作用 ,在飞蝗虫口密度中等或较低时 ,采用生物防治制剂为主 ,阻止或延缓中、低密度的飞蝗向高密度群居型的发展进程 ;在飞蝗虫口密度高时 ,可采用化防 (昆虫生长调节剂等 )与生防 (如微孢子虫 )配合使用 ,以迅速压低虫口密度 ,防治其迁飞为害 ,同时也可使蝗虫微孢子虫疾病长期流行于蝗群中 ,抑制飞蝗种群数量的增长。并积极探讨信息化合物对飞蝗行为的调控作用

 
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