做了些工作 » Some work has been done 在美国，许多老人把宠物当做家庭成员 » In the United States, many old people as members of the family pet ..
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Based on the existing literature, some work has been done in this paper on stability analysis and control of nonlinear time delay systems.
本文在现有文献的基础之上，对非线性时滞系统的鲁棒稳定性及控制方面做了一些工作。
Some work has been done on applicable desulfurization methods in Chinese utilities, in the light of sulfur distribution of coal and assessment of different desulfurization methods.
从我国火电厂燃煤含硫量特点及主要脱硫方法的评估方面着手，探讨适合我国火电厂实际情况的脱硫方式。
Even some newly built facilities leave to human hands work that has been done in the West for many decades by machines.
就算一些新建的工厂，也仍然利用人力去生产那些西方国家在几十年前就已经用机器生产的产品。
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