具有外形尺寸小、重量轻、通孔和转速适中、性能可靠等特点，各项指标均能满足一般数控车床的需要。
They are with feature compact construction, light weight, moderate center hole and speed, reliable performance, and meet requirements of nc turning lathes.
大块率是评价露天矿台阶深孔爆破质量的重要指标之一。
The blasting boulder yield is an important quality indicators in the step long-hole blasting of surface mine.
方法：采用紫外分光光度法测定不同大孔树脂对指标性总黄酮和总生物碱的吸附量。
Methods: UV spectrophotometry was employed to determine the adsorption capacity of different macroporous adsorbing resins for total flavonoids and total alkaloids.
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