A natural pass (elevation 1, 640 feet [500 metres]) that was cut through the Cumberland Plateau in the eastern United States by former stream activity.
自然形成的坎伯兰山口(海拔1640英尺[500米])曾经是水口，峡谷中的水流沿山口穿过美国东部的坎伯兰平原。
Graphs of pace, elevation, and heart rate changes during an activity.
图中的速度，高度，和心率的变化，在一项活动。
Naltrexone (NTX) is a general opioid receptor antagonist devoid of intrinsic activity that results in a compensatory elevation in endogenous opioids and opioid receptors.
纳曲酮(ntx)是一个阿片受体的拮抗剂，因为他缺乏内在的活性，所以会导致细胞内的阿片类分子和阿片受体补偿性的增加。
A significant elevation of TNF activity was observed in the experimental liver necrosis group but not in the control. HGF and PGE_1 protected the liver and decreased serum TNF activity in rats.
结果表明，实验性肝坏死时，血清中TNF活性较对照组明显升高，HGF及PGE_1能保护肝脏，并降低血清中TNF活性。
A significant elevation of TNF activity was observed in the experimental liver necrosis group but not in the control. HGF and PGE_1 protected the liver and decreased serum TNF activity in rats.
结果表明，实验性肝坏死时，血清中TNF活性较对照组明显升高，HGF及PGE_1能保护肝脏，并降低血清中TNF活性。
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