The effect of environmental air factor in the laying house on the productivity of layers in spring was studied in this paper.
本文研究了春季蛋鸡舍空气环境因素对伊莎蛋鸡生产性能的影响。
Sure, robots have been playing sports for ages, but seeing this here creature revived begs the question: why don't we all have one or two of these laying around the house by now?
当然，机器人会玩体育运动并不稀奇。 但这种发明让我们又一次想起一个被回避的问题：为什么我们不买一个或两个机器人放在家里呢？
Stringing wires or laying cables is expensive, so a company that owns a connection that runs to the side of your house-the so-called "last mile" -has tremendous power over potential rivals.
架线或铺设电缆建立称作“最后一英里”网的花费很大，如果一个公司能拥有一条经过你家门的链接，无疑相对潜在对手而言将具有极大优势。
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