<img src="https://zk.995w.com/lqwvjeImg/bb/bb27188222c7b302e795e6011f0a7c85.png">由端,该振动定解问题的边界条件是: ( )<br>·<img src="https://zk.995w.com/lqwvjeImg/fe/feec019fe97dbb424da19552cbe74c72.png"style="width:182px;height:34px;"><br>·<img src="https://zk.995w.com/lqwvjeImg/b9/b9092120b13ea57a4cf92cb4fd4f959f.png"style="width:174px;height:34px;"><br>·<img src="https://zk.995w.com/lqwvjeImg/18/1809a5c0ad05a02c38b05a8473beba24.png"style="width:182px;height:34px;"><br>·<img src="https://zk.995w.com/lqwvjeImg/4e/4ee70270d82928d9b767b0a929e0610b.png"style="width:189px;height:34px;">