WebВ бумажной промышленности «A» — это стандартный размер бумаги с отношением длинной стороны к короткой, приближённым к. 2 {\displaystyle {\sqrt {2}}} . При этом пропорции половины листа, разделённого ... Web1. f. Primera letra del abecedario español, que representa el fonema vocálico abierto central. 2. f. Sonido que representa la letra a. 3. f. Fil. En la lógica escolástica, letra que representa la proposición universal afirmativa.
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Weba, letter that has stood at the head of the alphabet during the whole of the period through which it can be traced historically. The name of the letter in the Phoenician period resembled the Hebrew name aleph meaning “ox”; the form is thought to derive from an earlier symbol resembling the head of an ox. The letter was taken over by the Greeks in the form of alpha. WebA-weighting is the most commonly used of a family of curves defined in the International standard IEC 61672:2003 and various national standards relating to the measurement of sound pressure level. A-weighting is applied to instrument-measured sound levels in an effort to account for the relative loudness perceived by the human ear, as the ear is less … WebU30:光源相当于欧洲所使用的TL83 光源,两者仅仅只有色温差别,在GretagMacbeth Judgell 型标准灯箱中,即以飞利浦公司TL83荧光灯来实现U30光源。 im on opera but my search website is yahoo