Differential equations with a small parameter e multiplying the highest order derivative terms are said to be singularly perturbed and normally boundary layers occur in their solutions.
最高阶导数项含有小参数ε的微分方程称为奇异摄动问题,其解存在指数边界层或内部层。
They are normally sited at very busy places where crossing the road would be particularly dangerous or difficult.
这些设施通常设在车辆熙来攘往的地方,因为在这些地方过马路,会特别危险或困难。
Excessive consumption of hard cheese and sugary wine can inhibit proper digestion and affect the ability to drink normally.
过量食用硬质奶酪和含糖葡萄酒会抑制正常消化,并影响正常饮用能力。
Topset, foreset, and bottomset beds normally developed.
顶积 、 前积和底积层均正常发育.
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