他对课题的覆盖度是惊人的，而且他提供了一些精选的经典的习题。
Its coverage of the subject is impressive and provides a good selection of standard exercises.
精选上等纽约牛排，精心炭烤至您指定的熟度，配厨师精选蔬菜及芝士土豆泥。
USA Prime steak chargrilled to perfection. Served with mashed potato and chef vegetables.
是一种以普硅水泥为胶凝材料，辅以精选细骨料，外掺料，添加剂经特殊工艺配制而成的修补砂浆。 具有流动度性较好，粘结力强，不易开裂等特点。
The repair mortar is made by special craft with ordinary silicon cement as cementing material, with selected fine aggregate, admixture, additive as supplementary material.
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