| 单词 | economic threshold | ||||||||||||||
| 释义 | economic threshold
更多释义 收起释义 例句释义: 经济阈值,经济限界,经济起点 1. The experiment was conducted to estimate the economic injury level (EIL) and economic threshold (ET) of B. 研究了烟粉虱在黄瓜上的经济损害水平和经济阈值。 www.dictall.com 2. Studies on Yield Loss and Dynamic Economic Threshold of Cowpea Aphid Aphis craccivora Koch on Cowpea, Vigna sp . 豆蚜危害豇豆损失率及动态经济阈值研究。 www.bing.com 3. Spatial distribution of the harmful mice in rice field and its economic threshold 稻田害鼠空间格局及防治指标研究 www.ilib.cn 4. Occurrence of Black-streaked Dwarf Viral Disease of Hybrid Tice and Its Economic Threshold 杂交水稻黑条矮缩病的为害及防治指标初探 www.ilib.cn 5. Study on the Economic Threshold Value for Zokor Control of Economic Forest in Guyuan Replacing Agriculture by Afforestation 固原退耕还林区经济林木甘肃鼢鼠防治经济阈值研究 www.ilib.cn 6. Theory model of the multiple- species economic threshold of farmland rodents in rice fields, South China 华南稻田农田害鼠复合防治指标的理论研究 www.ilib.cn 7. The economic threshold for control of the major species of grasshoppers on Inner Mongolian rangeland 内蒙古草原主要蝗虫的防治经济阈值 www.ilib.cn 8. Influence of barnyardgrass, Echinochloa crusgalli, on the growth and yield of paddy rice and its economic threshold 稗对水稻生长和产量性状的影响及其经济阈值 service.ilib.cn 9. Economic Threshold and Research Frame of Phyllostachys pubescens Ecosystem 毛竹林生态系统经济阈值及研究框架 www.ilib.cn 10. The eco-economic threshold and the critical period for controlling Leptochloa chinensis in direct-sowing rice fields 水直播稻田千金子的生态经济阈值及其防除临界期 ilib.cn 1. Economic threshold models of timberlands pest management 用材林害虫管理经济阈值模式的研究 www.ilib.cn 2. How Far the "Theory of Economic Threshold" of Yangtze River Delta would Go 长三角“经济门槛论”还能走多久 www.ilib.cn 3. Estimating damages by Laodelphax striatellus and its economic threshold levels at rice spike stage 水稻穗期灰飞虱为害损失测定与防治指标研究 www.ilib.cn 4. Spatial pattern and economic threshold of rodent pests in paddyfield 稻田鼠害空间格局及其防治指标研究 www.ilib.cn 5. Research Progress in Economic Threshold For Forest Pest Control 森林害虫防治经济阈值研究进展 scholar.ilib.cn 6. Economic Threshold for Control of Litchi Stink Bug During the Young Fruit Period of Longan 龙眼幼果期荔枝蝽的防治指标 www.ilib.cn 7. Preliminary study on the yield losses caused by Myospalax fontanierii in wheat field and its economic threshold 中华鼢鼠为害冬小麦的产量损失及防治指标初步研究 www.ilib.cn 8. Study on the losses of scallion caused by Spodoptera exigua in the west of Sichuan province and its economic threshold 川西地区甜菜夜蛾对大葱的为害损失及防治指标研究 www.ilib.cn 9. Occurrence, economic threshold and critical period of weeds in oil sunflower fields 油葵田杂草的发生、经济防除阈值及竞争临界期研究 www.ilib.cn 10. Studies on the damage and economic threshold of weeds to winter wheat 杂草对冬小麦的危害损失及经济防除阈值 www.ilib.cn 1. Analysis on Celery Yield Loss and Economic Threshold of Liriomyza Huidobrensis Blanchard 拉美斑潜蝇对芹菜的损失测定及经济阈值分析 ilib.cn 2. The Study Progress of the Economic Threshold of Injurious Insect Control 害虫防治经济阈值研究进展 service.ilib.cn 3. Preliminary study on the loss of rice sheath blight of early rice and the economic threshold 早稻纹枯病为害损失估计及防治指标的研究初探 www.ilib.cn 4. A study on economic threshold of Bemisia tabaci 烟粉虱经济阈值的研究 service.ilib.cn |
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