positive belt 中文意思是什麼
positive belt
解釋
正電輸送帶-
Throug the study on irrigation quota and irrigation times for licorice root planted in arid sandy land of middle ningxia, the result shows : by increasing irrigation frequency and irrigation fixed quantity properly, it can play a positive role in the conserving and increasing water - holding capacity in arid - belt sandy area
摘要通過對寧夏中部乾旱帶沙地種植甘草的不同灌水定額及次數的研究，結果表明，適當的增加灌水次數和灌水定額對于保持和增加乾旱帶沙壤土持水率具有積極的作用，有利於植物的生長發育。 -
6. this chapter is the positive part of this thesis. through the example study of jinan, some paths on how to achieve the interrelation between urbanization and tourism vacation belt around city are put forward
第三，環城市旅遊度假帶內度假區別墅及景觀房產的開發使其成為城市向廣域推進的橋梁；第四，環城市旅遊度假帶可以促使城市旅遊的可持續發展。
分享友人