Standard testing conditions: Officially specified conditions under which paper is tested: 50%relative humidity and 23 degree Celsius.

标准测试环境：正式指定的测试纸张环境；相对湿度50%，温度摄氏23度。

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Some common materials used in PCB surface coating were compared under specified standard testing conditions, and useful information was provided for the selection of coating for PCB.

对国内外几类常用的PCB表面防护涂料在规定的标准测试条件下三防性能的比较，从而有助于三防涂料在PC B组件产品应用上的优选。

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By testing, performance of the product met the standard of MT668-1997 of technical conditions of steel cord conveyor belt applied to coal industry.

经试验测试产品性能符合MT668-1997《煤矿用阻燃钢丝绳芯输送带技术条件》标准。

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Designed to meet the to meet MIL-STD-810G testing, a United States Military test standard where systems are subjected to the harshest conditions, the 14-inch Latitude takes durability to new extremes .

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