最近在写论文，有点翻译上的问题想请问各位虫友：
一种含铼4.2%的单晶高温合金，这个短语应该怎样翻译，下面的说法都对不不对呢？
1. A Single Crystal Nickel-Based Superalloy Containing 4.2%Re （百分号和Re之间无空格）
2. A Single Crystal Nickel-Based Superalloy Containing 4.2% Re （百分号和Re之间有空格）
3. A Single Crystal Nickel-Based Superalloy Containing 4.2% of Re （Re前加of）
4. A 4.2%-Re Single Crystal Nickel-Based Superalloy （放到前面加连字符）
5. A 4.2% Re-containing Single Crystal Nickel-Based Superalloy
6. A 4.2% of Re-containing Single Crystal Nickel-Based Superalloy
谢谢各位了！各位告诉我哪几个对哪几个错就行了！
令外，英文中使用%后面到底用不用of，如80% members 还是80% of members ？
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