SoundCurve |
P_TABLEVALUE
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IfcFrequencyMeasure
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IfcSoundPowerMeasure
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| Sound Curve | Table of sound frequencies and sound power measured in decibels at a reference power of 1 picowatt(10^(-12) watt) for the referenced octave band frequency. |
| 闊抽熆锛堥⊕闊筹紵锛夋洸绶 | 銈偗銈裤兗銉栥儛銉炽儔1pW锛10^(-12)銇煶銇挤銇曘倰鍩烘簴銇ㄣ仚銈嬮煶銇懆娉㈡暟銇ㄣ儑銈枫儥銉崢浣嶃仹瑷堟脯銇椼仧闊炽伄銈ㄣ儘銉偖銉笺伄涓瑕ц〃銆 |
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