这种竞争驱使原始人变成更好的媒母机器并花费(可能非常巨大甚至是危险)更多的脑容量负载和能量，最终变成一种互惠共生关系。
This drove these hominids to become better meme machines and to carry the (potentially huge and even dangerous) burden of larger brain size and energy use, eventually becoming symbiotic.
该方法将树型小波中颇纹理能量特征、灰度共生矩阵特征、树型小波滤波后的灰度组成的特征矢量对SAR图像进行分类。
The feature vector is composed of wavelet texture energy features, texture features based on the gray-level co-occurrence matrix and the tone of filtered SAR image by using tree wavelet.
几十年来，天文学家已经知道了马尔卡良东部的原子核包含739黑洞是积极的，共生的物质和产生巨大的能量。
For decades, astronomers have known that the eastern nucleus of Markarian 739 contains a black hole that is actively accreting matter and generating prodigious energy.
几十年来，天文学家已经知道了马尔卡良东部的原子核包含739黑洞是积极的，共生的物质和产生巨大的能量。
For decades, astronomers have known that the eastern nucleus of Markarian 739 contains a black hole that is actively accreting matter and generating prodigious energy.
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