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It is necessary to further study the mechanism for ash-forming so as to remove the ash effectively and improve the color and quality of terephthalic acid product.
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认为需要进一步研究灰分形成的机理，以有效的除去灰分，改善对苯二甲酸产品的色泽和品质。 |
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It is necessary to get rid of bureaucratic practices.
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必须清除官僚习气。 |
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It is necessary to gradually heighten the consciousness of intellectual property protection and the related sense of legality in society as a whole through in-depth, sustained dissemination and education, so as to create a salutary social environment favo
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要通过深入、持久的宣传教育工作，逐步提高全社会的知识产权保护意识和法制观念，形成有利于保护知识产权的良好社会环境。 |
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It is necessary to grasp the opportunity of the middle route project of South to North Water Transfer, and to renovate the idea and study the program, and to pay attention to the eco-environment protection and project construction, as well as to establish
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要解决好流域经济发展问题，必须把握好建设南水北调中线工程的机遇，更新观念，加强前期研究和规划，注重生态环境的保护和示范工程的建设，建立相应的政策法规和流域管理体制，全面保证汉江中下游地区的可持续发展。 |
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It is necessary to grasp the pathological changes of ALHE to distinguish it from other diseases.
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熟悉这一疾病的组织学改变对避免误诊为其他类似疾病有重要意义。 |
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It is necessary to have a division of major economic zones and second level economic zones in order to have a reasonable and national wide organization of division of labour in different production areas.
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摘要为了更合理地组织社会生产地域分工，因而有必要在全国範围内划分大经济区和二级经济区。 |
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It is necessary to have contingency plans for software.
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有必要对软件准备应急方案。 |
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It is necessary to impose the legal duty on the Controlling Shareholders in order to avoid abusing their control power.
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为防止控制股东控制权之滥用，须对控制股东课以法律义务。 |
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It is necessary to improve the packaging.
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改进包装方法十分必要。 |
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It is necessary to innovate and develop military theories.
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创新和发展军事理论。 |
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It is necessary to insure the goods against the possible risks they are exposed to in the course of transportation.
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货物在运输过程中可能发生风险损失，需要办理货物保险。 |
