1) Occurrence
[英][ə'kʌrəns] [美][ə'kɝəns]
发生为害
1.
Study on the Occurrence Character of Bagging Aphanostigna Jacusuiensis and its Integrated Control;
套袋梨黄粉蚜发生为害特点及综合防治技术研究
2.
Occurrence and Its Integrated Control Tactics of Bemisia tabaci in Cotton Fields of Shaanxi Province;
陕西棉田烟粉虱发生为害与综合防治对策
3.
This paper definitely reports its distribution and host trees,and briefly reviews research advances on biological characteristics,occurrence characteristics and control measures.
本文明确了该虫的分布和取食寄主情况,较为系统地阐述了其生物学特性、发生为害及防治措施。
3) pest injuries
有害生物为害
1.
The rice cropping practices,pest injuries(due to pathogens,insects,and weeds)and yields were surveyed in 106 individual farmers\' fields,in the main rice-producing area of Yunnan Province:Zhanyi and Xundian counties(two experimental sites).
调查了云南省水稻主产区沾益、寻甸两县(两试验点)106块稻田水稻种植管理、有害生物为害(病虫草害)和产量等信息,并利用非参数多变量统计方法对数据进行了聚类分析和对应分析。
4) parasitic damage period
寄生为害期
1.
Determination of the effective accumulated temperature of Ips typographus within spruce tree in parasitic damage period
云杉八齿小蠹在云杉内寄生为害期有效积温的测定
5) injury incidence
伤害发生
1.
Objective To describe the distribution and tendency of injury incidences so as to develop policies on injury prevention and evaluate the effects of interventions.
目的掌握伤害发生的分布特征及变化趋势,为制定相关政策、评价伤害干预效果提供依据。
6) Damage
[英]['dæmɪdʒ] [美]['dæmɪdʒ]
发生危害
1.
Present situation in occurrence and damage of corn borers in sweet corn fields and the control measures;
甜玉米田玉米螟发生危害及防治措施
补充资料：为害
1.造成祸害;加害。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条