以下为句子列表：
英文: According to the problems occurred during the first stage of five well drillings in Qianmiqiao Qianshan Structure,technical measures,such as optimal well configuration,bottom hole assembly,bit type and drilling fluid were taken during the second stage of
中文: 分析了千米桥潜山构造第一阶段5口井施工过程中遇到的技术难题，从优化井身结构、优选钻具组合、钻头优选、优选钻井液体系及组织管理等方面给出了相应的技术措施和对策，并在第二阶段5口井的施工中进行了应用，且取得了明显的效果，为大港油田千米桥潜山构造的勘探开发奠定了坚实的基础。
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英文: A STUDY OF COMPLEMENTARY DNA CLONING AND SEQUENCE DETERMINATION OF RABBIT TYPE PLA2 WITH POTENT BACTERICIDAL ACTIVITY
中文: 具强杀菌活性的兔Ⅱ型磷脂酶A2互补DNA克隆及其顺序确定的研究
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