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The acos() function returns the arccosine of a number as a numeric value value between 0 and PI radians.
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函数的作用是：返回一个大小位于0到PI之间的反余弦值。 |
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The acosh() function returns the inverse hyperbolic cosine of a number.
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函数的作用是：返回一个数值对应的反双曲余弦。 |
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The acoustic arrangements (including guitar, piano, mandolin, Dobro and accordion) are carried out by her longtime backing musicians, although the music has a decidedly more pop than Celtic flavor on this album.
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尽管毫无疑问地，这张专辑中的流行曲风多过于凯尔特风格，但玛丽还是选择她长期合作的音乐家来演奏包括吉他，钢琴，曼陀林，感声吉他琴和手风琴在内的编曲部分。 |
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The acoustic emission experiments of concrete under uniaxial tension loading in whole process are conducted arid the stochastic modeling theory is introduced to determine the random field distribution parameters of the limit fracture strain of the mesosco
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利用混凝土单轴受拉破坏全过程的声发射实验数据，引入随机建模理论，确立了细观损伤单元的极限破坏应变随机场分布参数。 |
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The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method.
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摘要利用矢量水听器收集到的声压和振速信息，研究基于互谱法分析单目标的强线谱来进行目标方位估计。 |
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The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure.
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摘要利用声辐射阻力矩阵和振动面上的速度矢量预报了结构声辐射的总功率。 |
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The acoustical environment in Pingtan performing halls is presented by measurements of two typical examples in Shanghai.
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摘要通过对上海两个典型的评弹书场进行的现场声学参量测试，分析了当前评弹演出环境的现状。 |
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The acoustics is a branch of physical.
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声学是物理学的一个分支。 |
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The acoustics of the hall are so good that you can hear everything even from the cheapest seats.
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这座会堂的音响效果极佳，连最便宜的座位也能听得一清二楚。 |
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The acoustics of the hall are very good.
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这大厅的音响效果是非常好的。 |
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The acoustics of this concert hall are excellent.
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这个音乐厅的传音效果极好. |
