Biocontrol agents的用法和样例：
例句
- Baculoviruses are arthropod specific viruses that have long been used as biological agents to control the insects attacking crop plants.
摘要杆状病毒是鳞翅目昆虫的重要病原微生物，在重要农业害虫的生物防治中具有很大的应用前景。 - In addition, the developing force of EPN was anayzed, and the application prospect of EPN in the insect pests biocontrol was forcasted.
同时对昆虫病原线虫的发展动力作了分析，并展望了昆虫病原线虫在害虫生物防治中的发展前景。
