Dense sands like olivine are also resistant to weathering, allowing it to endure millennia of constant waves. (Magnification 110x).
像橄榄石这样的密砂能够抵抗风化，所以能够经受常年不断的潮汐拍打。
Lapses in control drive the rise of multidrug-resistant TB, which is far more costly and difficult to treat, and remind us of the constant risk of setbacks.
控制失效导致耐多药结核病病例上升，而此类结核病的治疗要困难许多，也昂贵许多。这提醒我们要时刻牢记挫折风险。
The constant temperature, static state corrosion resistant test and results of mining glass fibre net false roof materials under analog working conditions and special working conditions are presented.
本文介绍了矿用玻璃纤维网假顶材料在模拟自然工况和特殊工况条件下的恒温、静态耐腐蚀试验及结果。
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