名词
中文翻译：导体的核心
同义词：
['core', 'core element', 'essentialpart']
例句：
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1. The coreof the problem lies in the lack ofcommunication between departments.
问题的核心在于各部门之间的沟通不足。
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2. The core of the solution isto improve the quality of education.
解决方案的核心是提高教育质量。
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3. The core of the projectis to develop a new software system.
项目的核心是开发一个新的软件系统。