Since 1934, better than half a billion dollars has gone into that Fund to purchase more than 5 million acres of habitat.
自1934年以来,该基金已经投入了超过5亿美元,用于购买500多万英亩的栖息地。
Justin: Absolutely. You're … probably already better than half the guys on my team.
绝对真的。你…比我们队了半成的队员还要棒。
But a fundamental law of optics known as the diffraction limit states that the resolution can never be better than half the wavelength of light being looked at.
但是,一条被称为衍射极限的光学基本定律指出,显微镜的分辨率不会小于观察所用光源波长的一半。
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