Optional dust filter? Individually point calibrated? Combination humidity, temperature transmitters available? Threaded or wall box mount? High quality at low cost.

可供选择的灰尘过滤器？单独点校准？可使用湿度，温度传感器？螺纹安装和墙面安装？高质量低成本。

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The NWS Web site features a handy on-line calculator for determining the heat index based on a combination of either temperature and relative humidity or temperature and dew point.

国家气象局(NWS)网站公布了一个方便的在线计算器便于大家基于温度和相对湿度或温度和露点的结合来计算炎热指数。

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This an the combination of high humidity and abundant sodium ions in the air will aggravate the health of these people and lead to contraction of the alleged "seaside exposure syndrome".

而且，海边空气湿度大，钠离子丰富。这都会使这群人的病情恶化，还可能患上所谓的海边综合症。

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It takes the right combination of wind,temperature,pressure and humidity to create even a weak tornado.

VOA: special.2010.05.11

The combination of high temperatures and high humidity between January and March sends most locals running to the coastal town of Mar Del Plata or the nearby Uruguayan beach resort of Punta Del Este.

BBC: The summertime scoop on Buenos Aires ice cream

Good Sauternes relies on a unique combination of foggy mornings, a certain amount of humidity and painstaking labor.

WSJ: Will Lyons on Wine: The Bitter Economics of Sweet Wines

Lightning started some, and a deadly combination of dry conditions fuelled them: high temperatures, low humidity and strong winds.

ECONOMIST: Arson suspected