下面为大家推荐的是关于SAT2物理专业词汇方面的信息，有详细的英语解析。SAT2物理考试是中国考生比较喜欢选择的科目，相对于其他考试而言，需要记忆的词汇量不是很大。下面大家就和澳际小编一起来看看这些SAT2物理词汇的详细内容吧。

　　Half-life

　　The amount of time it takes for one-half of a radioactive sample to decay.

　　Harmonic series

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　　The series of standing waves supported by a string with both ends tied down. The first member of the series, called the fundamental, has two nodes at the ends and one anti-node in the middle. The higher harmonics are generated by placing an integral number of nodes at even intervals over the length of the string. The harmonic series is very important in music.

　　Heat

　　A transfer of thermal energy. We don’t speak about systems “having” heat, but about their “transferring” heat, much in the way that dynamical systems don’t “have” work, but rather “do” work.

　　Heat engine

　　A machine that operates by taking heat from a hot place, doing some work with that heat, and then exhausting the rest of the heat into a cool place. The internal combustion engine of a car is an example of a heat engine.

　　Heat transfer

　　A transfer of thermal energy from one system to another.

　　Hertz (Hz)

　　The units of frequency, dined as inverse-seconds (1 Hz = 1 s–1). “Hertz” can be used interchangeably with “cycles per second.”

　　Hooke’s Law

　　For an oscillating spring, the restoring force exerted by the spring is directly proportional to the displacement. That is, the more the spring is displaced, the stronger the force that will pull toward the equilibrium position. This law is expressed mathematically as F = –kx, where F is the restoring force and x is the displacement. The constant of proportionality, –k, is the spring constant.

　　Hypotenuse

　　The longest side of a right triangle, opposite to the right angle.

　　以上就是以字母H开头的SAT2物理专业词汇的全部内容，不是很多。大家在在备考自己的SAT2物理考试的时候，可以根据自己的实际情况，有选择性的进行记忆和熟悉。

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