直接人工成本差异 direct labor variance ; direct labor cost variance
人工效率差异 labor efficiency variance
人工工资率差异 labor rate variance
人工数量差异 labor quantity variance
人工工时差异 labor time variance ; labor quantity variance
直接人工工资率差异 Direct labor rate variance
直接人工效率差异 direct labor efficiency variance
工人差异 labor variance
人工用量差异 labor usage variance
艺术品与人工制品之间存在着差异。
自然系统与人工系统在提供生态系统服务方面具有显著差异，后者没有缓冲保护和保险措施。
Distinct differences exist between natural systems and artificial systems, in the latter there are no buffers and insurance.
在简述技术与技术世界概念的基础上，指出了技术世界与人工自然之间的差异。
Briefly demonstrating the concept of technology and technology world, the paper points out the difference between technology world and artificial nature.
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