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      控制作用     
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  control action
    Control Action of Pardosa Astrigera L. Koch to Two Pests in Cabbage Field and Influence on Its Controlling Pest Effect with Low Dose Pesticide
    星豹蛛对甘蓝田两种害虫的控制作用及低剂量农药对其控害效果的影响
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    And the naturally control action has been analysised. the Results are as follow:the parasitic rate of larvae, pupae and adults is 5.41%, 8.46% and 0.33%.
    分析了天敌寄生蜂的自然控制作用 ,发现天敌寄生蜂对小蠹幼虫的寄生率为 5.41 % ,对小蠹蛹的寄生率为 8.46% ,对小蠹成虫的寄生率为0 .3 3 %
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    The Natural Control Action of Parasitic Wasps of Scolytidae Insects in Xiaoxing'anling Mountains of Heilongjiang Province
    黑龙江省小兴安岭地区小蠹虫天敌寄生蜂的自然控制作用
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    the selection effect of DsCPV on different instars of D. punctatus, the effect of DsCPV on D. punctatus under different temperature, the control action of different dosages of DsCPV on the host population in field, the epizootic dynamics of virus disease in field, and the influence of different concentrations of DsCPV on the parasitism nature enemy of the pupa of D.
    在赤松毛虫质型多角体病毒(Dendrolimus spectabilis Cytoplasmic Polyhedrosis Virus,DsCPV)对马尾松毛虫幼虫生物测定的基础上,研究了DsCPV对不同虫龄宿主的选择作用、在不同温度条件下DsCPV对宿主的作用效果、施用不同浓度的DsCPV对宿主野外种群的控制作用、林间病毒病的流行动态以及施用不同浓度的DsCPV对宿主蛹期寄生性天敌的影响。
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    1. The control action of Pardosa astrigera to two pests was studied in caged field.
    1.在田间笼罩条件下,研究了星豹蛛在大田中对菜蚜和小菜蛾的控制作用
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  control effect
    Study on the Control Effect and Community of Natural Enemies of Dendrolimus punctatus in Different Type of Masson Pine Stand
    天敌昆虫对马尾松毛虫控制作用及其群落的研究
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    THE CONTROL EFFECT OF TEA GEOMETRID NUCLEAR POLYHEDROSIS VIRUS ON HOST POPULATION
    茶尺蠖核型多角体病毒对宿主种群的控制作用
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    Integrated management had better control effects which reached 69.5%~81.5%,especially the integrated management by clearing the disease shoot,root application of B fertilizer and carebendazin had control effect reaching 81.5%.
    5种综合防治措施对松枯梢病有较好的控制作用,防治效果达69.5%~81.5%,尤其是采用清理病枯梢+根施硼肥+根施多菌灵的措施,防治效果达81.5%。
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    Control Effect with Hyperparasites F4 6 and PR Against Three Pathogens of Post-harvest Diseases in Apple
    重寄生菌F46和PR对苹果采后病害三种致病菌的控制作用
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    Control effect on rice dry seedling damping-off by calcium
    钙对水稻旱育秧立枯病的控制作用
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  control function
    Natural enemy resources against Basiprionota bisignata and their control function
    泡桐叶甲天敌资源及其控制作用
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    Control Function of Predators in Coexistent System of Three Spiders and Two Rice Insect Pests
    多物种共存系统中蜘蛛对稻虫的控制作用
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    Control function of four types of mixed forests against Clostera anachoreta
    四种混交林类型对杨扇舟蛾控制作用的研究
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    The control function of spider is the largest on the population number of Spodoptera litura , and indexes of population control are 12.83 and 9.06, disease and natural death are secondly, IPCs are 4.54 and 6.33.
    在各类作用因子中“蜘蛛”对斜纹夜蛾种群数量控制作用最大,控制指数分别高达12.83和9.06,其次是“疾病及自然死亡”等因子。
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    CONTROL FUNCTION OF THREE SPIDERS FOR BROWN PLANT HOPPER IN COEXISTENT SYSTEM
    多物种共存系统中3种蜘蛛对褐飞虱的控制作用
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  controlling effect
    Controlling Effect of Induced Disease Resistance Agent SRS2 on Tobacco Brown spot et al.
    抗病诱导剂SRS2对烟草赤星病等的控制作用
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    Controlling effect of Campylomma chinensis on Aphis gossypii
    中华微刺盲蝽对棉蚜的控制作用
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    Controlling Effect of Campoletis chlorideae on Helicoverpa armigera
    齿唇姬蜂对棉铃虫控制作用的研究
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    Preliminary studies on the controlling effect of Campylomma chinensis Schuh on Plutella xylostella L.in the fields
    中华微刺盲蝽对小菜蛾控制作用的初步研究
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    Therefore,in the formation of counter-measures for pest management for paddy fields,rice strains should be taken as the key link and full use should be made of the controlling effect of the natrural enemies,resistant crop strains and living surroundings over the local dominant pests so as to successfully develop the key control techniques and form the regional EPM models.
    因此 ,稻田害虫的管理对策要以作物为中心 ,以当地的主要害虫为对象 ,充分发挥天敌、品种、生境等自然因素对害虫的控制作用 ,开发关键技术 ,形成区域性的EPM模式
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  control action
       This method features low level of the control action; in principle, control may be made arbitrarily small.
例句来源      
       The error of attaining the aim of control was shown to be proportional to that of defining the initial system state and the error of realization of the control action.
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       The problem of designing an adaptive control system with reference models of local subsystems was solved for the case where only the controlled variable and the scalar control action are measurable.
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       It was demonstrated that the error in achieving the goal of control is proportionate to the error in prescribing the initial state of system and the error in realizing the control action.
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       Explicit asymptotic formulas for the reachable sets of linear dynamical systems with constraints on the total impulse of control action under different assumptions concerning the spectrum of the system's matrix are obtained.
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  control effect
       Flutter control effect and mechanism of central-slotting for long-span bridges
例句来源      
       The control effect of central-slotting depends on the aerodynamic configuration of the original girder section and the corresponding central-slotting width.
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       The control channel is divided into two channels (fast and slow) for enhancing the speed of response at a significant range of the control effect.
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       Simulation results indicated that the proposed controller exhibits satisfying control effect.
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       The activities of enzymes responsible for lignification in pepper, pre-inoculation with arbuscular mycorrhizal (AM) fungus ofGlomus intraradices and/or infection with pathogenic strain ofPhytophthora capsici, and the biological control effect ofG.
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  control function
       One strategy involved the use of the general minimum variance control function on the basis of recursive multi-step predictive method.
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       An algorithm is proposed for constructing a control function that transfers a wide class of nonlinear systems of ordinary differential equations from an initial state to an arbitrarily small neighborhood of a given terminal state.
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       A necessary and sufficient condition for approximate controllability via Lp ([0, T], U), 1?p>amp;lt;∞ is obtained, where Lp ([O, T], U) is the control function space.
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       The molecular mechanisms that control function and death of effector CD4+ T cells
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       The cycle control function is defined and used to estimate the number of limit cycles for some planar autonomous systems.
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  controlling effect
       The controlling effect of tectonics on evolution of microcracks is analyzed by using the damage mechanics theory.
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       The results show that the particle size and distribution can be changed by varying the preparation conditions, and the size of the microemulsion droplets has a controlling effect on the size of the particles.
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       Resuspension of sediment at this station was found to have a controlling effect on the sediment organic carbon content.
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       Hence, it was chosen for the study of the possible role of a global controlling effect like an attractor.
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       The controlling effect is defined asC'=-dPCO2/dVA orC=d pHECF/dVA.
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