planting composition 中文意思是什麼

planting composition 解釋
栽植配置
  • planting : n. 1. 種植;造林;撒種。2. 〈英國〉【石工】奠基;【建築】基礎底層,基底。
  • composition : n 1 作文(法),作詩(法),作曲(法);作品,文章;樂曲;文體,措辭。2 編制;結構,構造,組成,...
  1. The flora are influenced by the human being ' s planting activities during its occurring, therefore, the planted seed plant composition of the flora take advantage over the other seed plant one and they have important meaning in urban street green

    該區系在發生過程中受人類引種行為的影響,栽培種類在城區街道綠化中有重要意義,是城市植物區系的優勢成分。
  2. The difference of the cotton production cost between the provinces in china was significant. in compare to the other countries of the planting cotton, the production cost per 666. 7m2 was high, and the cost per 50 kg lint was low, however, the composition of the cost was not reasonable. there were multiple linear regression relationships between production cost per 50 kg lint cotton and labor cost per day, planting area per family and the lint yield per 666. 7 m2

    分析認為,生產成本是我國棉花成本的構成主體,人工、化肥和農藥又是生產成本的主體;我國不同產棉省區具有明顯的成本優勢差異;與國外相比,我國畝成本缺乏優勢, 50公斤皮棉成本優勢明顯,但成本結構不合理;我國50公斤皮棉成本差與要素價格差、生產規模和技術水平差具有線性關系;市場配置棉花生產資源比國家政策更高效。
分享友人