不同连作年限对玉米制种产量及其农艺经济性状的影响 关键词玉米；制种；连作；产量；性状 [gap=5720]Key words Corn；Seed Production；Continuous Cropping；Yield；Traits
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But in silkworm egg station, more female silkworms should bereared to increase the breeding benefits.
而在蚕种场则不同，是希望多养雌蚕以提高其制种效益。
参考来源 - 家蚕无性繁殖系的构建及其遗传特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
我尝试的九种精制种籽油，刚从瓶子里倒出来时几乎没有味道。
Fresh out of the bottle, the nine refined seed oils I tested were almost odorless.
公益腕带一般选用鲜艳明亮的颜色，上面印有某个筹款或宣传活动的口号，比如：抗癌、艾滋病宣传、抵制种族主义宣传等等。
Awareness bands come in a range of bright colours, each bearing an individual slogan intended to raise money for and general awareness of a particular charity, such as cancer, HIV, racism, etc.
花期预测与调节对玉米的杂交制种非常重要。
Florescence prediction and adjustment measures are very important to hybrid maize seed production.
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