multi-cropping index 复种指数
multi-cropping 多茬复种
Multi-cropping system 多熟复种制
multi-cropping spring maize 多熟制春玉米
According to the heat conditions, water resources and irrigation farmingland there still exists a big potential for the multicropping to be exploited.
根据我国的热量和降水资源及灌溉地状况，继续扩大复种尚有潜力。
参考来源 - 论复种与我国粮食生产的可持续发展·2,447,543篇论文数据，部分数据来源于NoteExpress
For example, the farmland of winter wheat should be reduced in northern China, while southern China, rich in water resources, should maintain multi-cropping.
例如，中国北方的冬小麦农田应该减少，而在水资源丰富的中国南方应该维持多茬复种。
We test the algorithm performance in the cases of single watermark, double watermarks and multi watermarks when different distortions such as JPEG compression, image resizing and cropping are applied.
该文就单水印，双水印以及多水印情形进行了仿真并进行JPEG压缩、图像缩放、剪切等失真测试。
Multi-cropping optimized and cropping density increased in wave.
作物复种方式不断优化，复种指数呈波动式增长。
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