Is there a cut-off point between childhood and adulthood?
童年与成年之间有分界线吗?
According to Bousso and colleagues, the only way to avoid this conundrum is to introduce a cut-off point, which then helps make sense again.
根据布索和他同事的观点,避免这个难题的唯一方式就是引进一个标准,这样才能使得更有意义。
But I think there may be something of a cut-off point when it comes to what are called "social networking" websites such as Facebook and, more especially, Twitter.
但是我觉得,出现这种叫做“社交网络”的网站时,比如Facebook,比如更为特殊的Twitter,就可能出现了一个分界点。
z And what you need to remember is if the z 8 is equal to eight or greater, such as oxygen being the cut-off point, this sigma 2 p orbital is actually lower in energy than the pi 2 p orbitals, the molecular orbitals.
你们要记住如果,等于或者大于,就像O是分界点,这时sigma2p轨道,比π2p轨道能量更低。
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