调和中项(harmonic mean)数列中的特殊项.指成调和数列的三个数中的第二个数.若三个非零数a ,b,。成调和数列，于是有 2aca+‘非零数b就称为a和c的调和中项(参见“平均”).
计算中，在连续方程中增加了一个松弛项，将模式结果向已有实测调和常数的控制点推算潮高值趋近。
A relaxation term is added to the continuity equation to nudge the calculated sea levels to the sea levels predicted at gauging stations.
一些现代引潮位展开的潮波振幅中包含时间项，即振幅具有时间依赖性，它们不属于完全调和展开。
In some recent tidal potentials, the amplitudes of the tidal waves include time terms, it means that the amplitudes are time dependent, so they can not be counted as fully harmonic developments.
至少有一项针对人的研究中鼠尾草调和油可改善参与者的心情增强他们的机敏度、冷静度和满足感。
In at least one human study, a sage-oil concoction improved the mood of participants, increasing their alertness, calmness, and contentedness.
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