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中低产田改造
释义
中低产田改造
Encyclopedia
农学
中低产田改造
释
medium-and-low-yield farmland rehabilitation
中低产田改造
通过工程、物理、化学、生物等措施对中低产农田的障碍因素进行改造,提高中低产农田基础地力与耕地综合生产能力的活动过程。
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Ivan Nikolaevich Kramskoi
Ivan Olbracht
Ivanov
Ivanov, Ilya Ivanovich
Ivanovo
Ivan Pavlovich Bardin
Ivan Petrovich Argunov
Ivan Petrovich Klyushnikov
Ivan Petrovich Martos
Ivan Petrovich Pavlov
Ivan Prokofjewitsch Prokofiev
Ivan Savvich Nikitin
Ivan' s Childhood
Ivan's daughter,Ivan's mother
Ivan Sergeevich Shmelev
Ivan Sergeyevich Turgenev
Ivan Stadnyuk
Ivan Susanin
Ivan Sutherland
Ivan Timofeevich Kokorev
Ivan Timofeyevich Kalashnikov
Ivan Vasilyevich Kireyevsky
Ivan Vazov
Ivan Vazov National Theatre
Ivan Venediktovich Elagin
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