...纵横_新浪网 关键词:全球气候; 小麦产量 ; 小麦期货; 粮食供求; [gap=1324]Keyword: climate of the world; wheat output ; wheat future ;provision of wheat; ...
基于24个网页-相关网页
...性质 小麦产量 [gap=1401]rganic‘inorganic rubbish-mixed fertilizer,Soi1 physical and chemica1 characters,Wheat yield ...
基于16个网页-相关网页
文章详细信息 关键词: 秸秆覆盖;;土壤温度;;水分含量;;小麦产量 [gap=549]Keywords: straw mulching;moisture contents;soil temperature;output of wheat
基于10个网页-相关网页
春小麦产量 Spring wheat yield
小麦产量与蛋白质含量 yield and protein of wheat
小麦籽粒产量候选基因 CKX
小麦发育及产量 development and yield of wheat
小麦和水稻产量 yields of wheat and rice
Density had more significant effects on wheat yield than soil fertility.
密度对小麦产量的影响比土壤肥力更为显著。
参考来源 - 期刊学术社区Combining with the advantages of two kinds of gray GM(1,1) and BP neural network forecasting models,the study put forward a kind of gray neural network model,and wheat yield in Benggbu City was forecasted by this model.
结合灰色GM(1,1)预测模型和BP神经网络2种预测模型的优点,提出了一种灰色神经网络模型,并用该模型对蚌埠市小麦产量进行预测。
参考来源 - 基于灰色神经网络的粮食预测·2,447,543篇论文数据,部分数据来源于NoteExpress
今年小麦产量高于往年。
到1963年,墨西哥的小麦产量是1944年的6倍。
By 1963, wheat production in Mexico stood six times more than that of 1944.
该项目的目标是提高墨西哥的小麦产量,而当时那里很大一部分粮食都依赖进口。
The goal of the project was to boost wheat production in Mexico, which at the time was importing a large portion of its grain.
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