scan your right thumb to unlock

相关推荐

• barron 和 princeton辅导书 上的右手定则怎么和我知道的不一样啊我已经快被搞疯掉了barron上说if the fingers of flat right hand point in the direction of the field,and the thumb is in the direction of electron flow,the hand will push in the direction of magnetic forceprinceton的搞得我头还要晕：point your thumb in the direction of V and your fingers in the direction of B.If q is postive,F points out of the palm.If q is negative,F points into the palm.我就是不懂,我高中讲的右手定则就是B V 和电流 怎么barron里又多了一个磁场力 princ
• scan your fingerprint for 3 times(vibrations) to UNLOCK是什么意思,谁给翻译一下
• scan your fingerprint for 3 times(vibrations) to UNLOCK是什么意思,谁给翻译一下
• scan your right thumb to unlock
• scan your right thumb to unlock
• 课时训练初二数学下册八年级浙江版期末综合自我评价26题
• 若2a+5b+4c=0,3a+b-7c=0,则a+b-c的值是