IMPROVING EFFICACY OF INSECT VIRUS TO CONTROL PEST BY OPTICAL BRIGHTENERS
提高昆虫病毒杀虫效果的荧光增白剂的研究
Pest control is one of the major areas of concern in intensive agriculture.
病虫害防治是集约型农业所关心的主要方面之一。
Collecting and analyzing the sound signal character of pest in stored grain
储粮害虫微弱声信号特征提取与分析
Once a pest threat has been eliminated, the WPM enforcement will be applied.
一旦虫害威胁解除, 木质包装规定将重新适用。
The agricultural control method is rather effective in controlling this pest.
农业防治方法是控制该虫为害的有效途径。
Study on the Dynamic Factors that Effecting the Main Pest of Bagged Pear Fruit
套袋梨果袋内与树冠的温湿度比较研究
They are trying to breed crops which are resistant to different races of pest.
他们正设法培养能抵御不同种类害虫的农作物。
Integrated Control Technique Of Major Maize Insect Pest and Soil borne Diseases
玉米田主要土传性病虫害综合防治技术体系研究
Bioactivity of Extraction of Stellera chameajasme on Four Vegetable Pest Insects
瑞香狼毒根提取物对四种蔬菜害虫的生物活性
Fertilizing Basal Fertilizer to Fruit Trees in Autumn to Control Underground Pest
秋季巧施基肥防治果树地下害虫
The destiny of the pest in chestnut is not known before reaching the destination.
栗子中害虫的命运在到达目的地之前是未知的。
Application of Moving Image Detection Technology in the Grain Pest Classification
运动图像识别技术在谷物害虫检测中的应用
Models of sustainable threshold and economic profit acquirement to pest management
有害生物治理中可持续阈值与经济利益回收模型
The little boy， usually behaving himself， is now a thorough pest to all of us.
那个平时很乖的小孩，现在简直让我们所有人头痛不已。
That child is an absolute pest he keeps ringing the doorbell and then running away!
那孩子讨厌极了 老是来按门铃，按完就跑了！
american cockroach, periplaneta americana is a significant house pest in the world.
蜚蠊是一类重要的世界性卫生害虫。
Kermes nakagawae Kuwana was discovered as a new pest on chestnut in Anhui province.
双黑绛蚧是目前发现的危害栗树的一种新害虫。
The authors suggest this is the result of competition between the two pest species.
论文作者认为这是两种害虫互相竞争的结果。
They say a pest control campaign is needed to stop a squirrel population explosion.
据说需要用虫害防治策略来控制松鼠数量的增长。
A green aphid commonly occurring as a destructive pest of various cultivated plants.
蚜虫, 桃蚜一种常见的, 危害各种作物的绿色蚜虫。
It is an effective method of biological control to use insect virus to prevent pest.
利用昆虫病毒防治害虫是生物防治的一种有效方法。
Pest problems and its management strategies of plant introduction and acclimatization
植物引种驯化过程中的病虫害问题及其防治对策
Wheat yields were affected most by cultivar selection, pest control and N management.
小麦产量主要受品种，害虫防治和氮肥管理的影响。
The spruce bark beetle is the major tree-killing insect pest of Alaska spruce forests.
云杉树皮甲虫是阿拉斯加云杉树林中危害树木的主要害虫。
Controlling two kinds of pest in Apple trunk by pointing insecticide on the tree scars
虫疤涂药兼治苹果树两种主要枝干害虫的初步研究
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