如何判断鸟害的严重情况比较关键的。
How to judge the severity of bird damage is crucial.
（1）鸟害区域等级划分
(1) Classification of bird damage areas
调查发现，果园鸟害重复发生在相对特定的地 域，大多集中在具有适合鸟类生存的地域，如果园附近分布的河道、树林、屋舍等鸟栖息地。我们针对这种情况，对鸟害的等级进行了划分。
The survey found that bird damage in orchards occurred repeatedly in relatively specific areas, mostly concentrated in areas suitable for bird survival. If there are bird habitats such as rivers, forests and houses near the orchards. In view of this situation, we divided the level of bird damage.
（2）驱鸟效果等级的划分
(2) Classification of bird repellent effect level
同凯驱鸟器按照不同驱鸟标准有不同的定义。
Tongkai bird repeller has different definitions according to different bird repellent standards.
（3）驱鸟器如何正确的安装
(3) How to install the bird repeller correctly