求翻译：本节课是初＼高中＿＿年级第＿＿单元第＿＿节的内容，是＿＿的重要内容之一。一方面，这是在学习了＿＿的基础上，对＿＿的进一步深入和拓展；另一方面，又为学习____等知识奠定了基础。鉴于这种认识，我认为，本节课不仅有着广泛的实际应用，而且起着承前启后的作用。是什么意思？

This lesson is the beginning of \ high school __ Grade __ units __ section __ important one. Based on the one hand, learning __, __ further and expand; the other hand, learning ____ knowledge laid the foundation. Given this understanding, I think, this lesson is not only a wide range of practical ap

This lesson is the new high school, and grade\_ _ of the unit, and one of the important elements. In one study, this is the basis of the _ _ _ _ on a further in-depth and development; on the other hand, it is as a learning and knowledge, such as the laying of the Foundation. In light of this underst

This class is at the beginning of \ high school _ _ grade _ _ unit _ the _ festival content, is _ one of _ important contents.At the same time, this was in has studied in the _ _ foundation, to _ _ further thorough and development; On the other hand, also for studied knowledge and so on ___ _ to lay

This early lesson is \ high school section __ of __ the __ grade unit was __ one of the important elements. On one hand, this is learning the __ on the basis of, further deepen and expand on the __; on the other hand, laying a foundation for knowledge such as learning ____. In light of this understa

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