In the past analysis of Natasha, Anna, Maslowa, three women's images in the works of Tolstoy, some problems exist in various degrees.
在以往对托尔斯泰笔下娜塔莎、安娜、马斯洛娃这三大女性形象的分析中，不同程度地存在着一些问题。
However, some problems exist in the communication between our tour guides and foreign tourists, and lack of coherence is one of these problems.
但是在我国导游人员与外国游客的交流过程中也存在着很多问题，导游词的欠连贯性就是问题之一。
Currently, some problems exist in the biological hydrogen production, such as low efficiency of hydrogen-producing, low percentages of hydrogen.
目前生物制氢技术中存在产氢效率低、氢气百分含量低等问题。
However, some problems exist in the sampling, processing and interpretation of multi component seismic data, especially for petroleum exploration in the land.
然而在陆上油气勘探中，在多分量数据采集、处理方法和解释方面还存在一些问题。
Association rules mining is an important technique in data mining and KDD, but some problems exist in the association rules mining based on support and confidence.
关联规则挖掘是数据挖掘和知识发现中一门重要技术，但基于支持度-置信度框架的关联规则挖掘存在一些问题。
Some problems exist in the system of optional courses including basketball in PE basic courses.
公共体育篮球选修课存在着一些问题。
Some problems exist in declared data with regard to tentative standards of new drugs of Traditional Chinese Medicine becoming official standards.
目的：中药新药试行标准转正式标准申报资料中存在着多种问题。
Some problems exist during the operation of cartridge filter, such as little effect of blast cleaning, minor air requirement and low filtering rate, etc.
滤筒式除尘器在使用过程中，普遍存在喷吹清灰效果差、处理能力小、过滤速度低的问题。
Some problems exist during the operation of cartridge filter, such as little effect of blast cleaning, minor air requirement and low filtering rate, etc.
滤筒式除尘器在使用过程中，普遍存在喷吹清灰效果差、处理能力小、过滤速度低的问题。
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