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Yet the research revealed that the US factories of Honda,Nissan,and Toyota achieved about 95 percent of the productivity of their Japanese counterparts,a result of the training that US workers received on the job.

reveal 显示

productivity 生产力

counterpart 对应的人或物

主干：Yet the research revealed

宾语从句： that the US factories achieved about 95 percent of the productivity of their Japanese counterparts宾

介词短语作定语：of Honda,Nissan,and Toyota

同位语：a result of the training

定语从句：that US workers received on the job状

参考译文：但研究显示，由于美国工人接受了在职培训，本田、尼桑及丰田的美国工厂达到了日本工厂生产力的 95%。

句子解说：同位语在表示属性时，相当于省略了主谓的定语从句。我们可以在

a result 前加上 which was,就变成了我们非常熟悉的非限定性定语从句。

翻译之道： which 指代前面的整个内容，提前译为原因状语。