结论采用牙周病理模型进行探诊基本训练有助于学生掌握牙周探诊技术，提高探诊准确性，从而为进入临床实习打好扎实基础。

Conclusion Practice of periodontal probing on periodontal pathological model was helpful to enhance the precision of the measurements of probing depth and the level of periodontal probing technique.

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换句话说，在打好了扎实的英语基础回到中国后，对于如何加强这一基础，他们没有做什么，或干脆什么也没做。

In other words, after acquiring a solid base in English and returning to China, they have done little or nothing to build on that base.

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掌握大量的词汇是打好扎实的语言基础的必要前提，而扎实的语言基础是提高语言交际能力的根本保证。

A good command of large vocabulary is prerequisite for laying a solid language foundation which is a basic guarantee of improving language communicative competence.

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