primary productivity

常見例句

雙語例句

• How much carbon land plants store during photosynthesis, a measure known as net primary productivity, changes from season to season.
  凈初級(jí)生產(chǎn)力被定義為植物在光和作用可以儲(chǔ)存的碳的總量，這個(gè)值會(huì)伴隨季節(jié)而變化。
  www.chinadaily.com.cn
• Precipitation is a key determinant of plant productivity in forest, whilst in arid regions there is an approximately liner increase in primary productivity with increasing precipitation.
  降雨量是森林植物生產(chǎn)量的關(guān)鍵決定因子，而在干旱地區(qū)，初級(jí)生產(chǎn)量隨降雨量的增加大致是一個(gè)線性增長。
• This study focused on the effects of annual net primary productivity of forest ecosystem and habitat complexity of Huanglong Nature Reserve on the species diversity of small mammals.
  本研究主要探討黃龍自然保護(hù)區(qū)森林生態(tài)系統(tǒng)年凈初級(jí)生產(chǎn)力水平和棲息地復(fù)雜程度對(duì)小型獸類物種多樣性的影響。

權(quán)威例句

• His primary task is to help farmers improve the productivity and quality of their farms and to reduce environmental harm.
  NEWYORKER: Testing, Testing
• Over the period of the next three decades following the introduction of Package A, it is reported that the illiteracy rate was halved from approximately 21 per cent in 1970, to approximately 11 per cent in 2000, and that increased productivity of newly-literate people in various primary and secondary industries was observed.
  UNESCO: AKRAB! (Literacy Creates Power)
• Their primary mission: to convince hiring managers that they are turbocharged engines of productivity.
  FORBES: Keep Upbeat On The Job Search When You're Down In The Dumps
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