1) healthy readings
有益的读物
2) wholesome advice
忠告有益的读物
3) unhealthy reading material.
有害身心的读物
5) Beneficial organisms
有益生物
1.
Increasing beneficial organisms in environment is an efficient way to control insect enemy,which is promoted by quickly developing technology of artificial raising beneficial organisms.
适当增加环境中有益生物的数量可实现害虫的有效控制;有益生物人工饲养技术的发展为防治农业害虫奠定了较好的基础。
2.
The Study of Bioassay Methods on Beneficial Organisms Safety Evaluation of PesticidesThe testing conditions of beneficial organisms (honeybee, silkworm and fishes) safety evaluation on pesticides were studied.
通过试验研究了影响农药对有益生物(蜜蜂、家蚕和鱼类)安全性评价的各种因素。
6) beneficial substances
有益物质
补充资料：有益
1.有利益;有好处。
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