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Helicase Any of a group of enzymes that catalyze the unwinding of double-stranded nucleic acids such as DNA, using energy from ATP.
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解螺旋酶（蜗牛酶）：一组可以催化象DNA这样双链核酸解螺旋的酶，由ATP提供能量。 |
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Helicopter crews who discover traffic jams while patrolling will send images back to the monitoring center.
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执行巡逻任务的直升机一旦发现交通堵塞现象,便立刻向交通监控中心报告. |
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Helicopter flying straight and level.
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先保持水平直线飞行。 |
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Helicopters and trucks rushed to retrieve Yang.
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直升机和卡车疾驶前去搜寻杨。 |
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Helicopters are now used in some cases to get people out of burning buildings.
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现在，人们有时还用直升机营救起火大楼中的被困人员。 |
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Helicopters can't fly; they're just so ugly the earth repels them.
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直升机不能飞的，只是它们太丑了，连地球也排斥它们。 |
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Helicopters can\'t fly; they\'re just so ugly the earth repels them.
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直升机其实是不能飞的，只是它们太丑了，连地球也排斥它们。 |
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Helicopters can\'t fly\; they\'re just so ugly the earth repels them.
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直升机是不可能飞的。但是它们实在太丑了，连地球也排斥它们，所以可以升空。 |
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Helicopters from a carrier could provide support to potential amphibious operations; fixed-wing aircraft operating from a carrier could provide greater air defense over a potential beachhead.
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承运人可以提供直升机支援两栖作战潜力;固定翼飞机从承运人可以提供更大的防空超过潜在滩头. |
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Heliocentric Jupiter is 20 degrees 35' Gemini, which means that the price of 8729 was at this degree. Heliocentric Uranus is 21 degrees 52' Cancer and the price at 21 degrees Capricorn is opposite to this.
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围绕太阳的木星对着双子座的20度35分，这意味着8729的价格是在这个度数上。围绕太阳的天王星对着巨蟹座的21度52分并且价格是在摩蝎座21度对冲的位置上。 |
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Heliotropism A form of phototropism in which flowers move to point toward the sun, tracking it as it moves across the sky.
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向日性：趋光性的一种类型，植物的花在一天内朝向太阳，并随着日光照射的方向而转移方位。 |
