黄卡 meaning in English

yellow card

Part of the product has obtained sgs certification and has applied for usa ul yellow card certification and been exported to southeast asia , europe , america , etc
部分产品已通过sgs国际环保认证和美国ul黄卡认证，出口东南亚及欧美等地区。
An improved formula based on huang ' s empirical formula was proposed to calculate the effective permittivity of chemical reaction at any temperature and reaction time by means of the temperature dependent number of molecules per unit volume of reaction solution
基于反应溶液中单位体积内的分子个数随温度变化的情况对黄卡玛提出的经验公式进行了改进。