The mechanism chosen, which is not the only possible way to manage this, involves creating a pseudo-MIME type, matching the user-agent string and using Rails' respond_to mechanism.
所选用的机制（并不是惟一的实现方法）涉及创建伪 MIME 类型，匹配用户代理字符串和使用 Rails 的 respond_to 机制。
Under the condition of western zone oil field in South China Sea, plugging agent formulas and their toxicity, matching technology and their support agents were researched in the paper.
在南海 西部油田条件下，针对海上堵水存在问题，从堵剂配方、堵剂环保性能评价、堵水工艺和配套用剂这3个方面开展 研究。
If you are a free agent or a team of only two members, submit your name or roster anyway. We will perform a random matching and distribute a list in class on the day of session 2.
若你这尚未分到组别或这组只有两名组员，仍要交出名单，我们将随机配对分组，第二节上课我们会公布分组名单。
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