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It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano-electrical feedback(MEF).In the present study a ventricular pressure-clamping system has been developed,which can be applied to isolated-perfused rabbit hearts.C
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在心脏机械电反馈的研究中准确控制机械刺激是非常重要的.本研究室构建了一套适用于离体家兔心脏的心室压力钳系统.该系统通过计算机控制压力钳,不仅能模拟正常生理条件下左心室的压力波形,还能在心室活动周期的特定时相、以适当波形对心室施加机械刺激.该系统集心脏灌流与起搏、表面心电图记录、单相动作电位记录、心室压力钳制与测定等多种功能于一体,特别适用于器官水平上观察机械电反馈现象并探讨其机制. |
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It is necessary to control the out-of-order fluxion and set up the all-sided guaranteeing system of teachers' quality, in order to realize the balanced development of teachers.
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因此，必须抑制师资的无序流动，同时建立健全师资质量的保障机制，实现师资的均衡发展。 |
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It is necessary to diagnose the cause of the economic and political decline.
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有必要对经济和政治衰退的原因进行分析。 |
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It is necessary to dill as much as possible, and the more you apply it in real situations, the more natural it will become.
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座右铭：反复操练是非常必要的，你越多地将所学到的东西运用到实际生活中，他们就变得越自然。 |
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It is necessary to distinguish between the typical features and variable features in the research on the phonetical features of Min dialects, so that we can recognize the synthetical and subordinate characteristics of Min through grasping the origin and d
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摘要研究闽语的语音特点，有必要区分典型特点与变异特点，这样有助于更好地把握闽语的源和流，体现闽语的综合特征和下位特征。 |
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It is necessary to energetically develop an advanced socialist culture.
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要大力发展社会主义先进文化。 |
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It is necessary to estabilish simple and flexible methods for assaying insulin owing to increasing incidence of diabetes mellitus worldwide.
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摘要随着糖尿病的发病率不断攀升，有必要建立简单易行的胰岛素的分析方法。 |
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It is necessary to establish ecological compensation legal mechanisms in China, there have some problems such as lack of special legislation in ecological compensation, responsibility body and standard ambiguity, compensation mode simplify, bad handled in
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中国建立生态补偿法律机制非常必要，但还存在着缺乏生态补偿专门立法以及相关法律规定中补偿主体不明确、补偿方式较单一、补偿管理不规范以及补偿标准不明确等问题。 |
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It is necessary to establish laws on the management and risk control of central government bond and form systems could be operated.
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亟需建构具有中国特色的中央政府债券监管和风险防范法律制度，形成具有操作性的制度体系。 |
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It is necessary to explicitly define the director's joint liability for the creditor in view of the company's history, inner operation mechanism, equilibrium of the benefits, the development of the market economy in China, and the legislations for company
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无论从公司的历史发展、公司内部运行机制、平衡公司各利益主体之间的关系、各国公司立法的实践以及我国公司立法的过程来看，我国都有进一步明确董事对公司债权人承担连带责任的必要。 |
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It is necessary to foster notions and form a business mechanism in conformity with the basic economic system in the primary stage of socialism and create a social environment in which people are encouraged to achieve something and helped to make a success
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要形成与社会主义初级阶段基本经济制度相适应的思想观念和创业机制，营造鼓励人们干事业、支持人们干成事业的社会氛围，放手让一切劳动、知识、技术、管理和资本的活力竞相迸发，让一切创造社会财富的源泉充分涌流，以造福于人民。 |
