Nonrestrictive phrase and clause are set off by commas.
非限制性短语或从句前后用逗号分隔。
These nonrestrictive units had concrete floors on an interior steel frame.
这些非抗震单元在内部为钢构架上是水泥地板。
Use two commas, not one, to set off a nonrestrictive clause in the middle of a sentence.
同样的，前者由非限制性定语从句构成。 但在科技文中，你需要将其转换成名词结构。
When a nonrestrictive clause appears in the middle of a sentence, place commas around it.
当非限制性成分在句子中间出现时，应当在它前面和后面加逗号。
When a nonrestrictive clause appears in the middle of a sentence, place commas around it.
如果这组单词是两个句子，则需在相应位置添加句号。 两句的句首单词均应大写。
In the nonrestrictive sentence, the store honored all the complaints, all of which were less than 60 days old.
而在非限制性从句中，商店处理了所有的投诉，这些投诉都是60天内发生的。
Combining the nonrestrictive and nonlinear optimizing method with the finite element analysis, the optimum design can be obtained.
应用非线性无约束的优化技术，结合有限元计算，得到良好的优化设计。
Combining the nonrestrictive and nonlinear optimizing method with the finite element analysis, the optimum design can be obtained.
应用非线性无约束的优化技术，结合有限元计算，得到良好的优化设计。
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