设<img src="https://zk.995w.com/lqwvjeImg/9d/9de4ab2618298def0e5eb08af959e07f.png"style="width:13px;height:19px;">与<img src="https://zk.995w.com/lqwvjeImg/2d/2dec17f40955e8faa25cfbb1f5ffbb46.png"style="width:15px;height:23px;">为非零向量,则<img src="https://zk.995w.com/lqwvjeImg/65/65bd3259ffc1f223f98d9ea4a27aaace.png"style="width:55px;height:23px;">是( ).<br>· <img src="https://zk.995w.com/lqwvjeImg/2a/2a15eb1b3396b2897d37bdd5772df38e.png"style="width:41px;height:23px;">的充要条件<br>· <img src="https://zk.995w.com/lqwvjeImg/37/3767fa953633b2defea1f23c8a744bd2.png"style="width:37px;height:23px;">的充要条件<br>· <img src="https://zk.995w.com/lqwvjeImg/2f/2f97d747bf113a90501e12e9335aece1.png"style="width:39px;height:23px;">的充要条件<br>· <img src="https://zk.995w.com/lqwvjeImg/2a/2a15eb1b3396b2897d37bdd5772df38e.png"style="width:41px;height:23px;">的必要但不充分条件