在许多思考和研究 after much thought and study
之后许多思考和研究 after much thought and study
经过大量的思考和研究 after much thought and study
因此，需要认真思考和研究。
这项实践花了不到两周的时间来思考和研究各种技术问题。
This exercise took less than two weeks of thinking and exploring various technical things. The end result was acceptable answers to all three questions our potential customer needed us to address.
这在一定程度上影响了对大学生价值取向教育的积极思考和研究。
This influences, to a certain extent, positive thinking and study on university students' value orientation.
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