贵州板其原生金矿石属碎屑岩类微细浸染型难选冶矿石，在氰化浸出之前需进行预处理。
Primary gold ore from Bangi, Guizhou, belongs to a clastic-type, finely disseminated, refractory particles. It is difficult to extract gold from the ore by cyanide infusing.
现在用于太阳能板的材料已经经过数十年的检验，而尽管威斯声称其公司的贴膜可以使用20年，但是其耐用性并没有被检测过。
The materials used in solar panels today have been tested over decades, and although Weiss says his company's films will last for 20 years, their durability hasn't been verified.
如果需要历史记录来更好地了解现状，可以让所构建的指示板或其数据能够定期地被保存。
If you require a historical record to help explain the present, then build your dashboard so that it or its data can be saved at regular intervals.
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