The labor pain and progress of labor were compared.
观察产痛程度、产程进展。
There are three basic classifications of technological progress: neutral, labor saving, and capital saving.
技术进步有三个基本类型：中间型、劳动节约型和资本节约型。
There are three basic classifications of technological progress: neutral, labor saving, and capital saving.
技术进步有三个基本类型：中间型、劳动节约型和资本节约型。
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