1.
Investigation Of Rat Disease Rules In The Forest Of Tangwanghe Forestry Bureau
汤旺河林业局森林鼠害发生规律调查
2.
The Preliminary Studies on Occurrence and Control of the Forest Rat Harm in Northern of Hebei;
河北北部森林鼠害的发生及防治的初步研究
3.
The key pests and rat include: nematodiasis of the pines and pine moth, forest rats, defoliator of the poplars, bristletail.
二是松毛虫、森林鼠害、杨树食叶害虫等常发性病虫害； 三是小蠹虫、萧氏松茎象等钻蛀性害虫。
4.
Experiment sgainst forest pest rats with 0.2% curcumol sterilant
0.2%莪术醇抗生育剂防治森林害鼠试验
5.
Current Status and Regularity on the Harm of Forest and Grassland Insect and Rodent Pests in Ningxia Yellow River Irrigating Region;
宁夏引黄灌区森林草原虫鼠害危害现状与规律的研究
6.
Research and Realization of Forest Diseases, Pests and Mice Universal Management Information System Based on Web;
基于Web的森林病虫鼠害通用管理信息系统的研究与实现
7.
Forest Calamity And Environmental Recovery and Reconstruction;
森林灾害危害及生态环境恢复与重建
8.
Achievements of forest Pests Prevention In 2001, obvious achievements were made in the forest pest prevention. The monitoring and quarantine is enhanced; the expansion of the old pest affected areas is under control;
森林病虫害防治取得成效 2001年，森林病虫害防治工作取得明显成效。
9.
Large-scale Forest Damage Survey in Europe
欧洲大规摸森林损害调查
10.
It was very dark in the forest at night and Gretal was scared.
晚上森林里非常暗，葛蕾朵感到害怕。
11.
Study on Estimation Method of for Economic Loss for Forest Disease and Pests Disaster;
森林病虫灾害经济损失评估方法研究
12.
Basic Theories of Forest Calamity Economics;
森林灾害经济的基本理论与方法研究
13.
Information service platform of forest pest forecast based on WebGIS
基于WebGIS的森林虫害预测信息服务平台
14.
The Application of Ontology in Forest Pests Expert System
本体在森林病虫害专家系统中的应用
15.
Establishment of Expert System on Forest Diseases and Insect Pests Diagnosis and Pests Forecast
森林病虫害诊断及害虫预报专家系统的研建
16.
The Impact of Forest Calamity on China s Forestry Economic Growth;
森林灾害对我国林业经济增长的影响分析
17.
Based on "3S" technologies in Xiaolongshan forest area of forest diseases and insect pests forecast
基于“3S”技术的小陇山林区森林病虫害预测
18.
The research and construction of the agroforestry-oriented expert system for forestry pests’diagnosis
面向林农的森林害虫诊断专家系统的研建