The main natural enemies of the pests on tobacco of Yunnan and their role on natural control of the pests were reviewed.

介绍了云南省烟草主要害虫天敌资源和天敌昆虫的自然控制作用。

youdao

Chemical weed killers or natural treatments like corn gluten can suppress weed growth. Dense planting of a crop can also act as a natural control.

化学除草剂或类似玉米麸等自然手段可以抑制杂草的生长。作物密集种植也能作为一种自然控制手段。

youdao

They serve as natural control valves that allow us to continue to function as we slowly absorb the information about our illness and its treatment.

这些反应就像自然控制阀，可以让我们慢慢地了解到疾病的信息以及如何治疗。

youdao

Dense planting of a crop can also act as a natural control.

VOA: special.2009.05.26

Jerry Glover says it is time to put natural plant communities back in control of our land.

VOA: special.2010.09.22

These include natural and organic methods to control harmful insects and weeds instead of using chemicals.

VOA: special.2009.07.14

Damage that occurs at the cellular or molecular level can disrupt the body's natural control processes and allow an uncontrolled growth of cells, or cancer.

WSJ: Radiation's Effect Depends on Amount

The end goal is to provide natural human control over TV-based media consumption, said Berenson, who's working to get cameras in TVs themselves sometime late next year.

ENGADGET: Kinect tech destined for TV-embedded greatness in 2011, HTPC integration later this year

Constitutionally, the provinces control natural resources and will have to implement most of the regulations.

ECONOMIST: A country divided about greenery