Aim: to study evaluation and significance of diastolic function of left ventricle in patients with myocardial infarction.
目的：探讨心肌梗死患者左室舒张功能的评价方法及临床应用。
A close attention should be paid to the urban geologic environment study, evaluation, reasonable utilizing and protection, which have huge social and economical utilities.
加强城市地质环境研究与评价、合理利用与保护城市地质环境，具有巨大的社会经济效益。
Combining with practice, I've made a study on maths research learning in the following aspects: subject choosing, process of the study, evaluation and the results.
结合实践，从课题选择、研究过程、评价策略等方面，对数学研究性学习进行探索。
Combining with practice, I've made a study on maths research learning in the following aspects: subject choosing, process of the study, evaluation and the results.
结合实践，从课题选择、研究过程、评价策略等方面，对数学研究性学习进行探索。
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