The attractive force decreases with the distance in the same proportion as light, which, we saw a little while ago, decreases in intensity as the square of the distance increases.
引力随距离减少的程度，跟光线随距离减弱有相同的规律，这个规律我们不久前刚刚讲过，即强度的减弱跟距离的平方成正比。
As the transmission length reaches a certain distance, DC transmission becomes economically attractive over ac.
当输电距离足够长时，直流输电的经济性将优于交流输电。
One study found that oxytocin led men in monogamous relationships to keep a greater distance between themselves and an attractive woman during an initial encounter.
研究发现催产素可以让一夫一妻制关系中的男人在与其他女人第一次邂逅保持距离。
Curtains do not block Windows and instead just add to distance, a distance which appears deceptive and attractive.
窗帘并不堵没窗户，只在彼此间增加些距离——欺哄人招引人的距离。
To describe the attractive range of short distance tour center the indexes that integrating psychological distance and geographical distance are used.
此中心的引力范围可用心理距离与地理距离相结合来度量。
To describe the attractive range of short distance tour center the indexes that integrating psychological distance and geographical distance are used.
此中心的引力范围可用心理距离与地理距离相结合来度量。
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