搜索 - 科创

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这其实就和现在谷歌地图所面临的一些问题是一致的，卫星照片上也会让一些咪咪露点导致一些国家不满。但后来谷歌对这些地区做了马赛克处理解决了这一问题。所以我所提出的这个构想也完全可以实现同样的遮掩操作，将某...

对，总体来说，生物的体积，特别是食物链顶端生物体积总体减少，一方面是散热，或者是面积体积比提高，相对来说，应该是气温升高？另一方面就是耗氧量了，假如相近的氧气交换率(肺部)，相近的肺泡面积/身体体积比...

相信一下纵波..拿弹簧的振动来说吧..起始位子是中点..然后1/4的周期到达正的最大振幅..再过1/4回到中点..再过1/4到负的最大..1/4到原点...如果频率一致..在发送能量的时候..顶端电子...

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