positive and negative effects
英 [ˈpɔzitiv ænd ˈneɡətiv ɪˈfekts] 美 [ˈpɑzɪtɪv ənd ˈnɛɡətɪv ɪˈfɛkts]

释义

正负作用；

权威例句

POSITIVE AND NEGATIVE EFFECTS OF ORGANISMS AS PHYSICAL ECOSYSTEM ENGINEERS
ESA Online Journals - POSITIVE AND NEGATIVE EFFECTS OF ORGANISMS AS PHYSICAL ECOSYSTEM ENGINEERS
POSITIVE AND NEGATIVE EFFECTS OF ORGANISMS AS PHYSICAL ECOSYSTEM ENGINEERS WHAT IS THE ECOLOGICAL ROLE OF A TREE IN A FOREST?
The Positive and Negative Effects of Switching Costs on Relational Outcomes
The good, the bad and the ugly: a meta-analytic review of positive and negative effects of violent video games.
Positive and negative effects of widespread badger culling on tuberculosis in cattle
Uncoupling of omnivore-mediated positive and negative effects on periphyton mats
Inotropic effects of electric currents. I. Positive and negative effects of constant electric currents or current pulses applied dur...
The positive and negative effects of anger on dispute resolution: evidence from electronically mediated disputes.
Regeneration of Northern Red Oak: Positive and Negative Effects of Competitor Removal