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The idea of using microorganisms to control plant pests is not new. 用微生物来控制病虫害的设想并不新鲜。
Is an automatically controlled plant. 是一种自动化控制的工厂。
It is a new method and promising approach to control plant bacterial diseases by quenching bacterial quorum sensing through biotechnology. 利用现代生物技术手段人为地操纵细菌群体感应系统,将会成为提高植物抗病性的新方法、新途径。
If long-term operation in the event of a serious condensation and humidity control plant not a means of long-term dormant or die, we need to use a heavier load Antirust cereus. 如果在出现长期运转、严重凝结而厂房没有控制湿度的手段，或者模具长期搁置不用，就需要使用更重负载的蜡状防锈剂。
The ARGOS gene in Arabidopsis plays a key role in controlling plant organ size. 拟南芥ARGOS 基因在控制植物器官大小方面起到了重要作用。
Trichoderma spp. have a remarkable biosynthetic ability.They can grow on simple media and a variety of complex carbon and nitrogen substrates.In order to control plant pathogens with Trichoderma spp. 大部分木霉对营养的需求并不十分严格，可以分解利用纤维素、半纤维素、几丁质等多种多聚物作为其生长的碳源物质，也可以利用多种简单的和复杂的氮源化合物生长。
Some studies indicated that useful Bacillus cereus had good effects in plants' growth and could control plant diseases and pests. 摘要研究表明，益生蜡样芽孢杆菌能促进植物生长，防治植物病害。
Secondly, by using the LCS model, the thesis gives detailed analysis on the main factors which influence the levitational vertical and attraction force.And the control plant is obtained. 接着利用该模型对影响悬浮控制力和吸引力的各主要因素:励磁电流、悬浮气隙等进行了详细的分析,建立对象模型抽象,确定状态变量,建立状态方程。
The nitrogen content of the plants inoculated with SMH12, ZX20 and HN01, as well as the nitrogen content of blank control plant were 2.26%, 2.44%, 2.10%, 1.70% respectively. 接着，又对菌株SMH12、ZX20、HN01所接植株和空白对照植株的氮含量进行了测定。 4组植株在渝豆上的氮含量分别为2.;26%25、2
Based on state-feedback decoupling, this paper uses an experimental system as controlled plant and presents the digital simulation results of PID control. 本文基于状态反馈解耦，以某试验系统为被控对象，在实现解耦的基础上，给出了PID控制的数字仿真结果。
Mycorrhiza colonization was also observed in the control plants due to native AM fungi present in the field soil. 由于田土本身含有天然存在之菌根菌，故对照组之植株上亦可发现菌根菌感染的现象。
The nonlinear offline model of the controlled plant is built by LS-SVM with the radial basis function (RBF) kernel. 首先，用具有RBF核函数的LS-SVM离线建立被控物件的非线性模型；
Fungal challenge of these transgenic plants showed that some plants were much more resistant to Sclerotinia sclerotiorium than non-transgenic control plants. 转基因植株的活体接种油菜菌核病菌(Sclerotinia sclerotiorium)试验表明，部分转基因植株比对照显示较强抗病性。
A continuous reheating industrial furnace is large inertia, pure delay, multi-variables, time-varying, intercoupling complicated controlled plant, and has many uncertain factors. 摘要连续式加热炉是个典型具有大惯性、纯滞后、多变量、时变并且相互耦合的复杂被控对象，而且有许多不确定因素。
When the controlled plant is unknown, the comparison of the neural network (NN) and recursive least squares (RLS) model is presented for the off-line system identification. 此外，针对未知受控系统的系统识别，提出类神经网路（NN）与递迴式最小平方法（RLS）模型之间的比较。
Industry rarely thrives under government control. 在政府控制之下工业很少会发达。
A continuous reheating industrial furnace is large inertia,pure delay,multi-variables,time-vary-ing,intercoupling complicated controlled plant,and has many uncertain factors. 连续式加热炉是个典型具有大惯性、纯滞后、多变量、时变并且相互耦合的复杂被控对象,而且有许多不确定因素。
Those rebellious teenagers are hard to control. 那些反叛的青少年很难管教。
Pesticide has made a great contribu tion on controlling plant diseases and insect pests,however it also contaminated ecological environment and threatened the secu rity of birds. 农药曾经为人类控制生物病虫害作出过巨大贡献，但是农药污染也破坏了生态环境，对野生鸟类的生存造成了严重威胁。
Pollution control has cleared the air. 污染管制已净化了空气。