The present situation and existing problems in China aero propulsion technology research have been introduced.
分析了我国航空动力技术预先研究的现状及存在的问题。
The methods, present research situation, existing problems, and application foreground of multidimensional reconstruction of ultrasonic heart images are discussed in the present paper.
讨论了超声心脏图像多维重建的方法、研究现状、存在的问题及应用前景。
At beginning, it analyses the real estate's current situation of performance management. Then, it describes the Jingtai real estate company's existing problems and made a analytical research.
首先从房地产行业的绩效管理现状分析出发，详细描述了景泰房地产公司绩效管理现状并对存在问题进行细致分析。
The luminescence principle, current research situation on electroluminescence devices using rare earth complex as emitter, existing problems and potential applications are outlined.
本文对稀土配合物的发光原理、电致发光的研究现状、存在问题及应用前景作了概述。
This thesis is based on the research of the situation and existing problems of world, national, and provincial development of pollution-free vegetable.
对于江苏来说，导致蔬菜质量存在问题的主要因素是土壤污染、农药残留、过量施用无机肥。
Based on what is discussed above, research is made on the study situation and existing problems of the green phosphorescent powder.
在此基础上，针对蓝色荧光粉的研究现状和存在的问题进行了探讨。
The research status and existing problems of the studies on Horqin sandy land and the actual situation of Horqin sandy land were summarized.
综述了科尔沁沙地沙漠化研究的现状和存在的问题，以及科尔沁沙地的实际情况，并提出了今后应进一步加强研究的领域。
The research status and existing problems of the studies on Horqin sandy land and the actual situation of Horqin sandy land were summarized.
综述了科尔沁沙地沙漠化研究的现状和存在的问题，以及科尔沁沙地的实际情况，并提出了今后应进一步加强研究的领域。
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