In the period of economy of knowledge, instead of normal labor force and capital, the knowledge is the leading social resource and factor.

在知识经济时代，占主导地位的资源和生产要素不再是一般劳动力和资本，而是知识。

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The depression incidence rate of puerpera in obstetric forceps delivery was obvious higher than that in hysterotokotomy or that in normal labor(P<0.01).

分娩方式中的产钳助产产妇抑郁症状发生率明显高于剖宫产及自然分娩组（P＜0．01）。

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AIM: to compare the difference in serum prolactin levels and the concentrations of anti-infective factors of human colostrums between normal labor and cesarean section.

目的：比较顺产与剖宫产产妇血清中泌乳素水平及初乳中抗感染因子的含量的差异。

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Particularly as they increase productivity and gradually shrink the labor force through normal retirement and attrition.

NPR: GM to Shed 30,000 Jobs, Offers Union Buyouts

But in a growing economy, high labor-force participation is both normal and desired.

FORBES: Japan Keeps Working at Aging

Reducing the payroll tax therefore raises the returns to work, which under normal circumstances should result in an increase in the supply of labor and an increase in total output, with employers offering jobs to the additional workers.

FORBES: Doubling Down on the Payroll Tax Holiday Still Won't Create Jobs