The number, weight and volume-average diameters of the particle were calculated by optical densities.

用光密度法计祘了颗粒的数均、体均和重均粒径。

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Even at that volume — an average of about 104 texts a day — the phone company is extracting $47.62 a megabyte.

根据这个数量——平均每天104条短消息——电话公司每兆字节赚取了47.62美元。

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In 2008, the average daily volume in August was roughly 15% lower than the average daily volume for the year.

2008年8月的日均成交量比当年的日均成交量大概低15%。

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The last eight up days in a row, with closes at the top of the range on the NASDAQ, have been positive, but all of the up days have been on volume less than the 50-day average volume.

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Five million shares--20 times average daily volume--traded before noon.

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Apple (NASDAQ:AAPL), after closing above its 8-day on Friday on above-average volume, saw another push higher of more than 3% until it reached some resistance at the 50-day MA. The stock closed on highs yesterday, and typically this is a bullish signal for traders to look for follow-through.

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